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 A133934 #6 Mar 23 2022 01:07:35 %S A133934 1,1,2,1,4,1,1,6,3,4,1,8,6,16,1,1,10,10,40,5,6,1,12,15,80,15,36,1,1, %T A133934 14,21,140,35,126,7,8,1,16,28,224,70,336,28,64,1,1,18,36,336,126,756, %U A133934 84,288,9,10 %N A133934 A007318 * (a diagonalized version of A124625). %C A133934 Row sums = A129954: (1, 3, 6, 14, 32, 72, 160, ...). %F A133934 Binomial transform of an infinite lower triangular matrix, with (1, 2, 1, 4, 1, 6, ...) in the main diagonal and zeros elsewhere. %e A133934 First few rows of the triangle: %e A133934 1; %e A133934 1, 2; %e A133934 1, 4, 1; %e A133934 1, 6, 3, 4; %e A133934 1, 8, 6, 16, 1; %e A133934 1, 10, 10, 40, 5, 6; %e A133934 1, 12, 15, 80, 15, 36, 1; %e A133934 ... %Y A133934 Cf. A129954. %K A133934 nonn,tabl %O A133934 1,3 %A A133934 _Gary W. Adamson_, Sep 29 2007