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 A054102 #4 Mar 30 2012 18:57:02 %S A054102 1,6,8,36,142,750,4604,32876,266966,2431614,24554188,272289636, %T A054102 3289836254,43017800318,605289111692,9119314568460,146474344313974, %U A054102 2498617856687406 %N A054102 T(n,n-2), array T as in A054098. %K A054102 nonn %O A054102 2,2 %A A054102 _Clark Kimberling_