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 A026914 #4 Mar 30 2012 18:56:11 %S A026914 1,13,44,90,198,370,758,1403,2824,5256,10530,19749,39516,74628,149274, %T A026914 283551,567120,1082440,2164898,4148594,8297206,15953598,31907214, %U A026914 61526960,123053938,237876562,475753142,921678867,1843357752 %N A026914 T(n,[ n/2 ]), T given by A026907. %K A026914 nonn %O A026914 0,2 %A A026914 _Clark Kimberling_