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 A124238 #8 Mar 31 2012 13:20:33
%S A124238 38,205,316,736,3776,4916,5888,7736,11138,22287,23308,23924,39538,
%T A124238 62336,71936
%N A124238 Terms of A123857 that are not powers of 2.
%C A124238 A123857 list composite indices n that divide A123855(n-1) = Sum[ Sum[ Prime[i]^j, {i,1,n-1}], {j,1,n-1}]. Corresponding indices n such that A123857(n) belongs to this sequence are 5,8,10,12,...
%Y A124238 Cf. A123857, A123856, A123855.
%K A124238 hard,more,nonn
%O A124238 1,1
%A A124238 _Alexander Adamchuk_, Oct 22 2006
%E A124238 More terms from _Max Alekseyev_, Sep 13 2009