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trizen e743bcaf8d Update. vor 6 Tagen
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Ahmad J. Masad 4d085c9032 Remove commit history vor 3 Jahren
Albert Böschow 61075acbf6 new file: "oeis-research/Albert B\303\266schow/Numbers k where phi(k) divides k - 3/smooth_search.pl" vor 2 Jahren
Alex Costea 4d085c9032 Remove commit history vor 3 Jahren
Alex Ratushnyak 3865ba3b60 new file: oeis-research/Amiram Eldar/Least number k such that A048105(k) = A048105(k+1) = 2*n, and 0 if it does not exist/prog.pl vor 3 Jahren
Alexander Adamchuk 8fc34c482e Update. vor 2 Jahren
Alexander R. Povolotsky 08f403d7c3 Update. vor 1 Jahr
Altug Alkan 7d83987246 Update. vor 9 Monaten
Amarnath Murthy d5eaac8bd7 new file: oeis-research/Amarnath Murthy/Smallest number sandwiched between two numbers having exactly n prime divisors/generate_fast.pl vor 10 Monaten
Amiram Eldar e743bcaf8d Update. vor 6 Tagen
Antti Karttunen 9abfce7ac0 new file: oeis-research/Antti Karttunen/Numbers k such that derivative(sigma(k)) = k/search.sf vor 3 Jahren
Arkadiusz Wesolowski 0aac7884c3 new file: oeis-research/Arkadiusz Wesolowski/Numbers k such that phi(binomial(k,2)) is a power of 2/prog.sf vor 2 Jahren
Arsen Vardanyan c65520f481 Update. vor 1 Jahr
Artsiom Palkounikau 4d085c9032 Remove commit history vor 3 Jahren
Artur Jasinski 0c4a756092 new file: oeis-research/Artur Jasinski/a(n) = the smallest prime divisor of A138793(n)/prog.sf vor 2 Jahren
Benoit Cloitre 2b693fc78d new file: oeis-research/Benoit Cloitre/Where 11^n occurs in n-almost-primes, starting at a(0)=1/prog.sf vor 1 Jahr
Bernard Schott 5427f05b84 Update. vor 1 Jahr
Bodo Zinser 4d085c9032 Remove commit history vor 3 Jahren
Brad Clardy df529e2f1d Update. vor 1 Jahr
Chai Wah Wu a38dc6d971 Update. vor 1 Jahr
Charles R Greathouse IV 0672e812c0 2^(2^16) - 2^11267 - 1 is prime! vor 3 Jahren
Charles T. Le 4d085c9032 Remove commit history vor 3 Jahren
Charlie Neder 4d085c9032 Remove commit history vor 3 Jahren
Cino Hilliard 4d085c9032 Remove commit history vor 3 Jahren
Clark Kimberling 1af2ab854d Update. vor 1 Jahr
Claude H. R. Dequatre 7fba720525 Update. vor 1 Jahr
Claudio Meller 4d085c9032 Remove commit history vor 3 Jahren
Colin Barker 8fc34c482e Update. vor 2 Jahren
Ctibor O. Zizka 342d8ebfb7 new file: oeis-research/Amarnath Murthy/Sum of the remainders when n^2 is divided by squares < n/prog.sf vor 3 Jahren
César Aguilera 4d085c9032 Remove commit history vor 3 Jahren
Daniel Hoya 4d085c9032 Remove commit history vor 3 Jahren
Daniel Lignon 098de59794 new file: oeis-research/Daniel Lignon/Composite numbers for which the harmonic mean of proper divisors is an integer/generate_special_form.sf vor 3 Jahren
Daniel Suteu e743bcaf8d Update. vor 6 Tagen
Darío Clavijo af4decfc29 Update. vor 9 Monaten
David James Sycamore 4d085c9032 Remove commit history vor 3 Jahren
Derek Orr 61449f48a1 Update. vor 9 Monaten
Donovan Johnson 665e7e9d26 new file: oeis-research/Donovan Johnson/Smallest number m such that sigma(m) has exactly n distinct prime factors/upper-bounds.sf vor 2 Jahren
Eder Vanzei 4d085c9032 Remove commit history vor 3 Jahren
Eduard Roure Perdices 4d085c9032 Remove commit history vor 3 Jahren
Elliott Line 4d085c9032 Remove commit history vor 3 Jahren
Erich Friedman 7ea6dd432d new file: oeis-research/Erich Friedman/Squares that remain squares if you decrease every digit by 1/b061844.txt vor 6 Monaten
Falcon Shapiro 4d085c9032 Remove commit history vor 3 Jahren
Farideh Firoozbakht 4d085c9032 Remove commit history vor 3 Jahren
Felix Fröhlich fc5a0aa028 Update. vor 7 Monaten
Fernando Solanet Mayou 6204d7b3f2 new file: oeis-research/Fernando Solanet Mayou/a(n) is the smallest number that is (zeroless) pandigital in all bases 2 <= k <= n/prog.pl vor 2 Jahren
G. L. Honaker, Jr. 4d085c9032 Remove commit history vor 3 Jahren
Gionata Neri 601beb2b62 new file: oeis-research/Gionata Neri/Least number k > primorial(n) such that omega(k) = n-1/prog.sf vor 9 Monaten
Giorgos Kalogeropoulos e743bcaf8d Update. vor 6 Tagen
Giovanni Resta e6e24cbcd4 Update. vor 10 Monaten
Gonzalo Martínez d91e601bd3 new file: "oeis-research/Gonzalo Mart\303\255nez/Integers k such that fib(k) + reverse(fib(k)) is prime/prog.sf" vor 2 Monaten
Greg Dresden 4d085c9032 Remove commit history vor 3 Jahren
Gus Wiseman 4d085c9032 Remove commit history vor 3 Jahren
Hans Havermann 147f6207b2 Update. vor 1 Jahr
Howard Berman fcddb391e4 new file: oeis-research/Amiram Eldar/Numbers k such that F(k), F(k+1) and F(k+2) have the same binary weight (A000120), where F(k) is the k-th Fibonacci number (A000045)/prog.pl vor 2 Jahren
Hugo Pfoertner 1bb64ed8d3 Update. vor 3 Monaten
Ilya Gutkovskiy e743bcaf8d Update. vor 6 Tagen
Irina Gerasimova 7935360128 Update. vor 1 Jahr
Ivan N. Ianakiev e38f3391fa Update. vor 2 Jahren
J. Lowell 06fe1bd46c new file: oeis-research/J. Lowell/a(1)=1; for n > 1, a(n) is the smallest number with the same number of divisors as 2*a(n-1)/prog.pl vor 2 Jahren
J. M. Bergot 1bb64ed8d3 Update. vor 3 Monaten
J.W.L. (Jan) Eerland e743bcaf8d Update. vor 6 Tagen
Jacques Tramu 986b4f84f2 Update. vor 4 Monaten
James S. DeArmon 78fc7c508a Update. vor 4 Monaten
Jaroslav Krizek 6aed7a3c01 Update. vor 3 Jahren
Jason Earls 2b693fc78d new file: oeis-research/Benoit Cloitre/Where 11^n occurs in n-almost-primes, starting at a(0)=1/prog.sf vor 1 Jahr
Jean-Marc Rebert e743bcaf8d Update. vor 6 Tagen
Jeff Burch 4d085c9032 Remove commit history vor 3 Jahren
Jeppe Stig Nielsen 147f6207b2 Update. vor 1 Jahr
Jianing Song 6204d7b3f2 new file: oeis-research/Fernando Solanet Mayou/a(n) is the smallest number that is (zeroless) pandigital in all bases 2 <= k <= n/prog.pl vor 2 Jahren
Jinyuan Wang 416c61a8d4 new file: oeis-research/Ilya Gutkovskiy/Maximal coefficient of (1 + x^a(1)) * (1 + x^a(1) + x^a(2)) * ... * (1 + x^a(1) + x^a(2) + ... + x^a(n-1))/prog.sf vor 4 Monaten
Jon E. Schoenfield be5d395dcd new file: oeis-research/Jason Earls/Largest prime factor of A019518, concatenation of first n primes/prog.sf vor 2 Jahren
Jonathan Sondow 8fc34c482e Update. vor 2 Jahren
Jonathan Vos Post 7d83987246 Update. vor 9 Monaten
Joseph Biberstine 47a7397f2c new file: oeis-research/Joseph Biberstine/Sum of remainders of the n-th prime mod k, for k = 1..n/prog.sf vor 3 Jahren
José María Grau Ribas 4e90aa9a0b Update. vor 1 Jahr
Jud McCranie f2bf689bee new file: oeis-research/Amiram Eldar/Number of primitive abundant numbers (A071395) < 10^n/generate.sf vor 4 Monaten
Julien Peter Benney 4d085c9032 Remove commit history vor 3 Jahren
Juri-Stepan Gerasimov e971514faf Update. vor 2 Monaten
Kevin Batista df529e2f1d Update. vor 1 Jahr
Kevin P. Thompson fc775e378b Update. vor 1 Jahr
Kevin Ryde 53ebc848c8 new file: oeis-research/Kevin Ryde/a(1) = 1 and thereafter a(n) = 2*prime(a(n-1))/prog.sf vor 2 Jahren
Klaus Brockhaus e28dfa2b81 new file: oeis-research/J. M. Bergot/Smallest prime p such that p-1 and p+1 both have n prime factors (with multiplicity)/generate.pl vor 10 Monaten
Labos Elemer fc5a0aa028 Update. vor 7 Monaten
Lekraj Beedassy 9303a08f23 Update. vor 1 Jahr
Leroy Quet 098de59794 new file: oeis-research/Daniel Lignon/Composite numbers for which the harmonic mean of proper divisors is an integer/generate_special_form.sf vor 3 Jahren
Lorenzo Sauras Altuzarra 4d085c9032 Remove commit history vor 3 Jahren
Luis H. Gallardo fcddb391e4 new file: oeis-research/Amiram Eldar/Numbers k such that F(k), F(k+1) and F(k+2) have the same binary weight (A000120), where F(k) is the k-th Fibonacci number (A000045)/prog.pl vor 2 Jahren
M. F. Hasler 64979be6a4 new file: oeis-research/J.W.L. (Jan) Eerland/Least prime p such that p^n + 6 is the product of n distinct primes/is_squarefree_almost_prime.sf vor 4 Monaten
M. Farrokhi D. G. e2569b03ac Added several more scripts. vor 6 Monaten
Maheswara Rao Valluri 4d085c9032 Remove commit history vor 3 Jahren
Manuel Valdivia 4d085c9032 Remove commit history vor 3 Jahren
Marco Ripà 57ec8c5a4b new file: oeis-research/Daniel Suteu/Smallest number k > 0 such that bigomega(k^n + 1) = n/prog.sf vor 6 Monaten
Marius A. Burtea 53ebc848c8 new file: oeis-research/Kevin Ryde/a(1) = 1 and thereafter a(n) = 2*prime(a(n-1))/prog.sf vor 2 Jahren
Matthew Campbell 87de3b82b9 new file: oeis-research/Amiram Eldar/Odd numbers that are not safe primes such that p-1 | k-1 or k-1 | p-1 for every prime p | 2^(k-1)-1/prog.sf vor 3 Jahren
Max Alekseyev 147f6207b2 Update. vor 1 Jahr
Max Z. Scialabba 7ea6dd432d new file: oeis-research/Erich Friedman/Squares that remain squares if you decrease every digit by 1/b061844.txt vor 6 Monaten
Metin Sariyar bdfb549653 new file: oeis-research/Metin Sariyar/Numbers m such that Sum_{k=1..m} omega(k) = sigma(m)/inverse_sigma_smooth_search.pl vor 2 Jahren
Michael S. Branicky fc775e378b Update. vor 1 Jahr
Michel Lagneau 1bb64ed8d3 Update. vor 3 Monaten
Michel Marcus 5427f05b84 Update. vor 1 Jahr
Mohammed Bouayoun e38f3391fa Update. vor 2 Jahren
Muniru A Asiru 4d085c9032 Remove commit history vor 3 Jahren
N. J. A. Sloane 147f6207b2 Update. vor 1 Jahr
Naohiro Nomoto 085080796b new file: oeis-research/Ilya Gutkovskiy/N-th prime recursive sum/prog.sf vor 3 Jahren
Nicolas Bělohoubek 532ff31203 Update. vor 2 Jahren
Oliver Townsend c65520f481 Update. vor 1 Jahr
Olivier Gérard 4d085c9032 Remove commit history vor 3 Jahren
Omar E. Pol 4d085c9032 Remove commit history vor 3 Jahren
Ovidiu Bagdasar 4d085c9032 Remove commit history vor 3 Jahren
Paolo Galliani 4d085c9032 Remove commit history vor 3 Jahren
Paolo P. Lava 57ec8c5a4b new file: oeis-research/Daniel Suteu/Smallest number k > 0 such that bigomega(k^n + 1) = n/prog.sf vor 6 Monaten
Paolo Xausa 44b74a4e08 new file: factorization-reports/abundant_carmichael+1_factor.txt vor 2 Jahren
Patrick De Geest 147f6207b2 Update. vor 1 Jahr
Paul Vanderveen d5b49d04aa modified: oeis-research/Paul Vanderveen/Smallest prime p == 3 (mod 4) such that all of 2,3,5,...,prime(n) are primitive roots mod p/search.pl vor 2 Jahren
Peter Kagey 4d085c9032 Remove commit history vor 3 Jahren
Peter Luschny 4d085c9032 Remove commit history vor 3 Jahren
Petros Hadjicostas 4d085c9032 Remove commit history vor 3 Jahren
Philip Mizzi 4d085c9032 Remove commit history vor 3 Jahren
Pierre CAMI 75ecb5b718 new file: oeis-research/Pierre CAMI/Least k such that k * M(n) * M(n+1) + 1 is prime where M(n) = A000668(n)/prog.sf vor 6 Monaten
Pontus von Brömssen 5427f05b84 Update. vor 1 Jahr
Ralf Stephan 4d085c9032 Remove commit history vor 3 Jahren
Reinhard Zumkeller e6e24cbcd4 Update. vor 10 Monaten
Richard N. Smith 4d085c9032 Remove commit history vor 3 Jahren
Richard Pinch df529e2f1d Update. vor 1 Jahr
Rick L. Shepherd 00d3898010 Update. vor 1 Jahr
Robert FERREOL d91e601bd3 new file: "oeis-research/Gonzalo Mart\303\255nez/Integers k such that fib(k) + reverse(fib(k)) is prime/prog.sf" vor 2 Monaten
Robert G. Wilson v 61449f48a1 Update. vor 9 Monaten
Robert Israel ee26f2f69e new file: oeis-research/Robert Israel/Least k for which A237196(k) = n/prog.pl vor 1 Monat
Ryan Propper 182a35d6ab Update. vor 1 Jahr
Rémy Sigrist 34bbd45cb3 Recompress images. vor 9 Monaten
Scott R. Shannon ee26f2f69e new file: oeis-research/Robert Israel/Least k for which A237196(k) = n/prog.pl vor 1 Monat
Seiichi Manyama 5283a1684c Update. vor 2 Jahren
Sergio Pimentel 4d085c9032 Remove commit history vor 3 Jahren
Sezai Ata 4d085c9032 Remove commit history vor 3 Jahren
Shyam Sunder Gupta fc5a0aa028 Update. vor 7 Monaten
Sidney Cadot 7fba720525 Update. vor 1 Jahr
Sofia Lacerda 3865ba3b60 new file: oeis-research/Amiram Eldar/Least number k such that A048105(k) = A048105(k+1) = 2*n, and 0 if it does not exist/prog.pl vor 3 Jahren
Stefano Spezia e25af477b0 new file: oeis-research/Derek Orr/Least prime p such that p^n and p^n+1 have the same number of prime factors (counted with multiplicity) or 0 if no such number exists/simple_prog.sf vor 1 Jahr
T. D. Noe 0521ef8921 new file: oeis-research/T. D. Noe/Smallest odd primitive abundant number having n distinct prime factors/generate.pl vor 4 Monaten
Tejo Vrush 880e2a7d59 new file: oeis-research/Tejo Vrush/a(n) is the least k such that A348172(k) = n or 0 if no such k exists/smooth_generate_quotient.pl vor 2 Jahren
Thomas Gajdek 4d085c9032 Remove commit history vor 3 Jahren
Thomas Ordowski 986b4f84f2 Update. vor 4 Monaten
Tim Johannes Ohrtmann fc5a0aa028 Update. vor 7 Monaten
Tomohiro Yamada d2ec5f5ea3 Update. vor 3 Jahren
Tony Davie 4d085c9032 Remove commit history vor 3 Jahren
Torbjorn Alm ad2c9fa5b1 Update. vor 2 Jahren
Vincenzo Librandi 182a35d6ab Update. vor 1 Jahr
Vladimir Letsko 4d085c9032 Remove commit history vor 3 Jahren
Vladimir Shevelev 6204d7b3f2 new file: oeis-research/Fernando Solanet Mayou/a(n) is the smallest number that is (zeroless) pandigital in all bases 2 <= k <= n/prog.pl vor 2 Jahren
Wesley Ivan Hurt 532ff31203 Update. vor 2 Jahren
Ya-Ping Lu 4c6de3b172 new file: pseudoprimes/oeis-pseudoprimes/fermat_with_small_znorder.txt vor 2 Jahren
Yasutoshi Kohmoto 5283a1684c Update. vor 2 Jahren
Yusuf Gurtas e0999e9865 new file: oeis-research/Yusuf Gurtas/Smallest prime p for which the absolute value of the difference between the numbers of distinct prime factors of p+1 and p-1 is exactly n/upper-bounds.sf vor 2 Jahren
Zak Seidov 7cf88d901b new file: oeis-research/Zak Seidov/First number k such that Omega(k) = n and Omega(n - 1) = Omega(n + 1) = n + 1/generate.pl vor 5 Monaten
Zhao Hui Du 4d085c9032 Remove commit history vor 3 Jahren