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 A091863 #5 Apr 09 2014 10:13:40 %S A091863 1,2,3,4,5,5,6,7,8,8,9,10,11,11,11,12,13,14,15,16,16,16,17,17,18,18, %T A091863 19,20,21,21,22,23,23,23,23,23,24,24,24,24,25,25,26,27,28,28,29,30,31, %U A091863 32,32,33,34,34,34,34,34,34,35,35,36,36,37,38,38,38,39,40,40,40,41,41,42 %N A091863 Partial sums of A091862. %K A091863 nonn %O A091863 1,2 %A A091863 _Leroy Quet_, Mar 13 2004 %E A091863 More terms from Pab Ter (pabrlos(AT)yahoo.com), May 25 2004