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 A137630 #2 Mar 30 2012 17:25:27 %S A137630 1,3,5,10,14,25,33,53,71,104,135,197,249,344 %N A137630 Row sums of triangle A137629 (square of the partition triangle A026794). %e A137630 a(4) = 10 = sum of row 4 terms of triangle A137629: (7 + 2 + 0 + 1). %Y A137630 Cf. A026794, A137629. %K A137630 nonn %O A137630 1,2 %A A137630 _Gary W. Adamson_, Jan 31 2008