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 A115088 #3 Mar 30 2012 18:36:55 %S A115088 1,3,7,32,158,933,5939,41385,306070,2403792,19799468,170676213, %T A115088 1530176012,14235081941,136908376331,1358591876186,13876456179864, %U A115088 145643421890800,1568070473632644,17295212337571836,195161233968831068 %N A115088 Column 2 of triangle A115085. %Y A115088 Cf. A115085, A115086 (column 0), A115087 (column 1), A115089 (row sums); A115083. %K A115088 nonn %O A115088 0,2 %A A115088 _Paul D. Hanna_, Jan 13 2006