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 A027168 #4 Mar 30 2012 18:56:14 %S A027168 2,4,8,24,40,144,256,768,1408,4736,8064,29440,51712,168960,303104, %T A027168 1056768,1810432,6651904,11632640,39452672,70090752,248676352, %U A027168 427261952,1575419904,2748710912,9519759360,16819683328,60294692864 %N A027168 Greatest number in row n of array T given by A027157. %K A027168 nonn %O A027168 0,1 %A A027168 _Clark Kimberling_