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 A141460 #5 Oct 04 2015 00:05:37
%S A141460 23,23,23,115,23,10787,23,10235,23,2783,23,701155,23,23,23,173995,23,
%T A141460 40785647,23,69575,23,16721,24863,62402795,23,23,23,3335,23,
%U A141460 13392934247,23,61420235,23,23,1633,2842731249875335,23,9637,23,253879175
%N A141460 A086892(11*n).
%C A141460 Terms are multiples of 23.
%p A141460 A086892 := proc(n) gcd(2^n-1,3^n-1) ; end: for n from 1 to 40 do printf("%d,",A086892(11*n)) ; od: # _R. J. Mathar_, Aug 12 2008
%K A141460 nonn
%O A141460 1,1
%A A141460 _Paul Curtz_, Aug 08 2008
%E A141460 Edited and extended by _R. J. Mathar_, Aug 12 2008