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 A136788 #8 Apr 02 2022 09:58:41 %S A136788 1,1,1,1,2,1,1,2,4,1,1,2,6,7,1,1,2,6,17,11,1,1,2,6,22,41,16,1,1,2,6, %T A136788 22,76,86,22,1,1,2,6,22,90,226,162,29,1,1,2,6,22,90,352,582,281,37,1 %N A136788 Triangle read by rows: A000012 * A107131. %C A136788 Row sums = A086615: (1, 2, 4, 8, 17, 38, ...). %C A136788 A136787 = A107131 * A000012. %F A136788 A000012 * A107131 as infinite lower triangular matrices. %e A136788 First few rows of the triangle: %e A136788 1; %e A136788 1, 1; %e A136788 1, 2, 1; %e A136788 1, 2, 4, 1; %e A136788 1, 2, 6, 7, 1; %e A136788 1, 2, 6, 17, 11, 1; %e A136788 1, 2, 6, 22, 41, 16, 1; %e A136788 1, 2, 6, 22, 76, 86, 22, 1; %e A136788 ... %Y A136788 Cf. A086615, A136787. %K A136788 nonn,tabl,more %O A136788 0,5 %A A136788 _Gary W. Adamson_, Jan 21 2008