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 A130324 #4 Feb 20 2022 14:56:16 %S A130324 1,3,4,7,12,16,15,28,48,64,31,60,112,192,256,63,124,240,448,768,1024, %T A130324 127,252,496,960,1792,3072,4096,255,508,1008,1984,3840,7168,12288, %U A130324 16384,511,1020,2032,4032,7936,15360,28672,49152,65536 %N A130324 A059268^2. %C A130324 Row sums = A006095: (1, 7, 35, 155, 651, 2667, ...). %F A130324 A059268^2 as an infinite lower triangular matrix, where A059268 = (1; 1,2; 1,2,4; ...). %e A130324 First few rows of the triangle: %e A130324 1; %e A130324 3, 4; %e A130324 7, 12, 16; %e A130324 15, 28, 48, 64; %e A130324 31, 60, 112, 192, 256; %e A130324 63, 124, 240, 448, 768, 1024; %e A130324 ... %Y A130324 Cf. A059268, A006095. %K A130324 nonn,tabl %O A130324 0,2 %A A130324 _Gary W. Adamson_, May 24 2007