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 A108335 #3 Mar 30 2012 16:50:17 %S A108335 1,1,0,1,0,1,3,2,2,0,2,2,0,3,0,3,1,2,1,2,2,2,0,2,0,1,3,2,1,2,1,3,2,0, %T A108335 0,2,0,2,0,0,0,0,2,2,2,2,0,0,0,0,2,2,0,2,0,2,0,0,0,2,0,2,2,1,0,3,3,0, %U A108335 3,0,2,2,2,0,0,3,1,2,2,0,3,0,1,3,0,1,1,1,1,0,1,2,1,2,2,2,1 %N A108335 A084202 read mod 4. %Y A108335 Cf. A083952, A084202, A108336. %K A108335 nonn,easy %O A108335 0,7 %A A108335 _N. J. A. Sloane_, Jul 02 2005