This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A136374 #10 Jun 06 2021 15:57:04 %S A136374 3,4,2,1,3,1224,551,1,697,66,60,31,12,7,24641820,3343240,122610,134,4, %T A136374 101,80,1,979,518,1414 %N A136374 a(n) = (A128677(n) - 1)/(2*A000040(n)). %C A136374 All terms are integer since for n > 1, p = A000040(n) divides (A128677(n)-1)/2. %F A136374 a(n) = (A128677(n) - 1)/(2*A000040(n)). %e A136374 a(2) = (A128677(2) - 1)/(2*A000040(2)) = (19 - 1)/(2*3) = 3. %Y A136374 Cf. A128677, A127263, A128678, A128679, A128680, A128681, A128682, A128683, A128684, A128685. %K A136374 nonn,more %O A136374 2,1 %A A136374 _Alexander Adamchuk_, Dec 27 2007 %E A136374 a(16)-a(26) from _Max Alekseyev_, May 14 2010