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 A099264 #5 Mar 30 2012 17:38:04 %S A099264 0,1,2,4,4,2,8,6,2,12,4,6,10,8,12,24,4,12,30,6,18,26,8,12,18,18,14,24, %T A099264 6,22,40,24,24,60,18,30,66,12,10,34,12,12,78,4,40,90,20,48,36,24,4, %U A099264 132,24,6,56,40,6,144,32,20,116,40,74,40,120,48,82,66,116,22,30,96,80,10,60 %N A099264 A000960(n) - A100287(n). %C A099264 Always positive. %Y A099264 Cf. A000960, A100002, A099264. %K A099264 nonn,easy %O A099264 1,3 %A A099264 _N. J. A. Sloane_, Nov 16 2004 %E A099264 More terms from _David Wasserman_, Feb 27 2008