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 A129566 #4 Feb 20 2022 01:22:53 %S A129566 1,1,1,2,3,1,4,6,4,1,8,11,11,5,1,16,20,25,16,6,1,32,37,51,42,22,7,1, %T A129566 64,70,98,98,64,29,8,1,128,135,183,211,163,93,37,9,1,256,264,339,429, %U A129566 381,256,130,46,10,1 %N A129566 A007318 * A129565. %C A129566 Row sums = A084860: (1, 2, 6, 15, 36, 84, 192, ...). %F A129566 Binomial transform of A129565. %e A129566 First few rows of the triangle: %e A129566 1; %e A129566 1, 1; %e A129566 2, 3, 1; %e A129566 4, 6, 4, 1; %e A129566 8, 11, 11, 5, 1; %e A129566 16, 20, 25, 16, 6, 1; %e A129566 32, 37, 51, 42, 22, 7, 1; %e A129566 ... %Y A129566 Cf. A007318, A129565, A084860. %K A129566 nonn,tabl %O A129566 1,4 %A A129566 _Gary W. Adamson_, Apr 21 2007