trizen 5283a1684c Update. %!s(int64=2) %!d(string=hai) anos
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Largest prime factor of 78557*2^n + 1 5283a1684c Update. %!s(int64=2) %!d(string=hai) anos
Largest prime factor of A020549(n) = (n!)^2 + 1 8fc34c482e Update. %!s(int64=2) %!d(string=hai) anos
Least positive number k such that sigma(k) = n * sigma(k+1) de60660346 new file: oeis-research/Seiichi Manyama/Least positive number k such that sigma(k) = n * sigma(k+1)/comb.pl %!s(int64=3) %!d(string=hai) anos
Least positive number k such that sigma(k+1) = n * sigma(k) de60660346 new file: oeis-research/Seiichi Manyama/Least positive number k such that sigma(k) = n * sigma(k+1)/comb.pl %!s(int64=3) %!d(string=hai) anos