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 A124737 #2 Mar 30 2012 17:35:17 %S A124737 0,0,1,0,1,1,2,0,1,1,1,2,2,2,3,0,1,1,1,1,2,2,2,2,2,2,3,3,3,3,4,0,1,1, %T A124737 1,1,1,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,5,0,1,1,1,1, %U A124737 1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3 %N A124737 Table where row n has k C(n,k) times. %e A124737 The table starts: %e A124737 0 %e A124737 0 1 %e A124737 0 1 1 2 %e A124737 0 1 1 1 2 2 2 3 %Y A124737 Cf. A124736, A124748, A000079 (row lengths), A001787 (row sums), A007318. %K A124737 easy,nonn,tabf %O A124737 0,7 %A A124737 _Franklin T. Adams-Watters_, Nov 06 2006