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 A130476 #2 Mar 30 2012 17:25:21 %S A130476 1,2,3,5,8,15,28,61,132,325,790,2133,5680,16501 %N A130476 Row sums of triangle A130461. %e A130476 a(6) = 15 = (1 + 1 + 2 + 6 + 4 + 1), sum of row 6 terms in triangle A130461. %Y A130476 Cf. A130460, A130461, A130477, A130478. %K A130476 nonn %O A130476 1,2 %A A130476 _Gary W. Adamson_, May 28 2007