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 A128211 #8 Mar 30 2012 16:50:40 %S A128211 4,1,1,1,2,2,3,3,3,4,4,5,5,5,6,6,7,7,7,8,8,9,9,9,1,4,0,1,2,1,1,0,2,1, %T A128211 8,3,1,6,3,1,4,4,1,2,5,1,0,6,1,8,7,1,6,7,1,4,8,1,2,9,1,0,0,2,8,1,2,6, %U A128211 1,2,4,2,2,2,3,2,0,4,2,8,5,2,6,5,2,4,6,2,2,7,2,0,8,2,8,9,2,6,9,3,4,0,3,2,1 %N A128211 A007376(8n+4). %K A128211 nonn,base %O A128211 0,1 %A A128211 _N. J. A. Sloane_, Jul 23 2008