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 A133935 #5 Mar 23 2022 01:07:39 %S A133935 1,1,1,1,2,3,1,3,9,1,1,4,18,4,5,1,5,30,10,25,1,1,6,45,20,75,6,7,1,7, %T A133935 63,35,175,21,49,1,1,8,84,56,350,56,196,8,9,1,9,108,84,630,126,588,36, %U A133935 81,1 %N A133935 A007318 * A093178 as a diagonalized matrix. %C A133935 Row sums = A133936: (1, 2, 6, 14, 32, 72, 160, ...). %F A133935 Binomial transform of an infinite lower triangular matrix with A093178: (1, 1, 3, 1, 5, 1, 7, ...) in the main diagonal and the rest zeros. %e A133935 First few rows of the triangle: %e A133935 1; %e A133935 1, 1; %e A133935 1, 2, 3; %e A133935 1, 3, 9, 1; %e A133935 1, 4, 18, 4, 5; %e A133935 1, 5, 30, 10, 25, 1; %e A133935 1, 6, 45, 20, 75, 6, 7; %e A133935 1, 7, 63, 35, 175, 21, 49, 1; %e A133935 ... %Y A133935 Cf. A093178, A133936. %K A133935 nonn,tabl %O A133935 0,5 %A A133935 _Gary W. Adamson_, Sep 29 2007