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 A124748 #2 Mar 30 2012 17:35:17 %S A124748 0,1,0,2,1,1,0,3,2,2,2,1,1,1,0,4,3,3,3,3,2,2,2,2,2,2,1,1,1,1,0,5,4,4, %T A124748 4,4,4,3,3,3,3,3,3,3,3,3,3,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,0,6,5,5,5,5, %U A124748 5,5,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3 %N A124748 Table where row n has k C(n,k) times, in reverse order. %F A124748 T(n,k) = A124737(n,2^n-1-k). %e A124748 The table starts: %e A124748 0 %e A124748 1 0 %e A124748 2 1 1 0 %e A124748 3 2 2 2 1 1 1 0 %Y A124748 Cf. A124736, A124737, A000079 (row lengths), A001787 (row sums), A007318. %K A124748 easy,nonn,tabf %O A124748 0,4 %A A124748 _Franklin T. Adams-Watters_, Nov 06 2006