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 A130323 #5 Feb 20 2022 14:55:56 %S A130323 1,3,1,5,2,1,7,3,1,1,9,4,2,0,1,11,5,2,2,-1,1,13,6,3,0,3,-2,1,15,7,3,3, %T A130323 -3,5,-3,1,17,8,4,0,6,-8,8,-4,1,19,9,4,4,-6,14,-16,12,-5,1 %N A130323 A007318^(-1) * A130322. %C A130323 Row sums = A008574: (1, 4, 8, 12, 16, 20, 24, ...). %F A130323 Inverse binomial transform of triangle A130322, as infinite lower triangular matrices. %e A130323 First few rows of the triangle: %e A130323 1; %e A130323 3, 1; %e A130323 5, 2, 1; %e A130323 7, 3, 1, 1; %e A130323 9, 4, 2, 0, 1; %e A130323 11, 5, 2, 2, -1, 1; %e A130323 13, 6, 3, 0, 3, -2, 1; %e A130323 15, 7, 3, 3, -3, 5, -3, 1; %e A130323 17, 8, 4, 0, 6, -8, 8, -4, 1; %e A130323 19, 9, 4, 4, -6, 14, -16, 12, -5, 1; %e A130323 ... %Y A130323 Cf. A130323, A007318, A008574. %K A130323 tabl,sign %O A130323 0,2 %A A130323 _Gary W. Adamson_, May 24 2007