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 A101176 #5 Mar 30 2012 17:38:04 %S A101176 2,4,6,10,16,21,28,36,48,55,66,80,91,105,121,137,153,172,190,211,231, %T A101176 254,278,302,328,355,383,412,443,472,505,538,573,610,647,685,723,764, %U A101176 803,848,892,937,981,1030,1077,1117,1177,1229,1281,1337,1389,1442,1502 %N A101176 Final terms of rows of triangle in A101174. %Y A101176 Cf. A101174, A101175, A101177, A101178, A101179. %K A101176 nonn %O A101176 1,1 %A A101176 _Ray Chandler_, Dec 03 2004 %E A101176 More terms from _David Wasserman_, Mar 07 2008