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 A140200 #4 Mar 30 2012 18:54:36 %S A140200 0,1,2,2,3,5,5,6,7,7,9,10,10,11,12,12,13,15,15,16,18,18,19,20,20,21, %T A140200 22,22,23,24,24,25,26,26,28,29,29,30,31,31,33,34,34,35,36,36,37,38,38, %U A140200 39,40,40,41,42,42,43,44,44,45,46,46,47,48,48,49,51,51,52,54,54,55,56,56,57,58 %N A140200 Partial sums of A140080. %K A140200 nonn %O A140200 0,3 %A A140200 _Nadia Heninger_ and _N. J. A. Sloane_, Jun 09 2008