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 A094525 #4 Mar 30 2012 18:58:55 %S A094525 1,1,1,1,2,1,1,3,3,1,1,4,7,4,1,1,5,13,13,5,1,1,6,21,28,21,6,1,1,7,31, %T A094525 49,49,31,7,1,1,8,43,76,89,76,43,8,1,1,9,57,109,141,141,109,57,9,1,1, %U A094525 10,73,148,205,226,205,148,73,10,1,11,91,193,281 %N A094525 Square array of binomial transforms read by antidiagonals. %C A094525 Rows (and columns) are binomial transforms of [1,k,k(k-1),0,0,0,...], k>=0. One of a family of arrays that converge to A088699. %F A094525 Square array T(n, k) defined by T(n, k)=1+kn+k(k-1)n(n-1)/2 %e A094525 Rows start %e A094525 1,1,1,1,1,... %e A094525 1,2,3,4,5,... %e A094525 1,3,7,13,21,... %e A094525 1,4,13,28,29,... %e A094525 1,5,21,49,89,... %Y A094525 Cf. A094526. %K A094525 easy,nonn,tabl %O A094525 0,5 %A A094525 _Paul Barry_, May 07 2004