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Least totient number k > 1 such that n*k is a nontotient number, or 0 if no such number exists
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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
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7 ヶ月 前 |
Numbers k such that 4^k - 3^k + 2^k is prime
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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
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7 ヶ月 前 |
Run of n primes when 3*x - 2 is iterated
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4d085c9032
Remove commit history
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4 年 前 |
Smallest Euler-Jacobi pseudoprime to all natural bases up to prime(n) - 1 that is not a base prime(n) Euler-Jacobi pseudoprime
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61d886d542
new file: oeis-research/Amiram Eldar/Numbers k such that gpf(k)^2 | k and gpf(k+1)^3 | (k+1)/prog.pl
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2 年 前 |