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 A133729 #11 Mar 23 2022 01:05:23 %S A133729 1,1,3,2,6,5,4,12,15,7,8,24,35,28,9,16,48,75,77,45,11,32,96,155,182, %T A133729 144,66,13,64,192,315,399,378,242,91,15,128,384,635,840,891,704,377, %U A133729 120,17 %N A133729 A007318 * A133728. %C A133729 Row sums = A049611: (1, 4, 13, 38, 104, 272, ...). %F A133729 Binomial transform of triangle A133728. %e A133729 First few rows of the triangle: %e A133729 1; %e A133729 1, 3; %e A133729 2, 6, 5; %e A133729 4, 12, 15, 7; %e A133729 8, 24, 35, 28, 9; %e A133729 16, 48, 75, 77, 45, 11; %e A133729 ... %Y A133729 Cf. A133728, A049611. %K A133729 nonn,tabl %O A133729 1,3 %A A133729 _Gary W. Adamson_, Sep 21 2007