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 A101175 #5 Mar 30 2012 17:38:04 %S A101175 2,3,1,7,11,15,22,29,37,44,56,67,78,92,106,119,136,154,169,191,210, %T A101175 232,252,273,297,323,343,364,392,420,450,480,506,532,567,595,625,660, %U A101175 690,726,759,798,833,867,900,980,1020,1020,1054,1092,1134,1178,1218,1265 %N A101175 Initial terms of rows of triangle in A101174. %Y A101175 Cf. A101174, A101176, A101177, A101178, A101179. %K A101175 nonn %O A101175 1,1 %A A101175 _Ray Chandler_, Dec 03 2004 %E A101175 More terms from _David Wasserman_, Mar 07 2008