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 A130305 #10 Jul 29 2023 02:56:40 %S A130305 1,2,1,3,3,1,4,6,4,1,6,10,10,5,1,12,16,20,15,6,1,28,28,36,35,21,7,1, %T A130305 64,56,64,71,56,28,8,1,136,120,120,135,127,84,36,9,1,272,256,240,255, %U A130305 262,211,120,45,10,1 %N A130305 Triangle read by rows: A007318 * A130304 as infinite lower triangular matrices. %F A130305 Binomial transform of A130304. %e A130305 First few rows of the triangle: %e A130305 1; %e A130305 2, 1; %e A130305 3, 3, 1; %e A130305 4, 6, 4, 1; %e A130305 6, 10, 10, 5, 1; %e A130305 12, 16, 20, 15, 6, 1; %e A130305 28, 28, 36, 35, 21, 7, 1; %e A130305 ... %Y A130305 Cf. A007318, A038504 (left column), A130304. %K A130305 nonn,tabl %O A130305 1,2 %A A130305 _Gary W. Adamson_, May 20 2007