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 A128308 #9 Feb 18 2022 22:12:03 %S A128308 1,1,1,2,2,1,6,4,3,1,19,10,7,4,1,59,29,17,11,5,1,180,88,46,28,16,6,1, %T A128308 544,268,134,74,44,22,7,1,1637,812,402,208,118,66,29,8,1,4917,2449, %U A128308 1214,610,326,184,95,37,9,1 %N A128308 Binomial transform of A128307. %C A128308 Row sums = A007051: (1, 2, 5, 14, 41, 122, ...). %C A128308 See also the comments in A111277. %F A128308 A007318 * A128307 as infinite lower triangular matrices. %e A128308 First few rows of the triangle: %e A128308 1; %e A128308 1, 1; %e A128308 2, 2, 1; %e A128308 6, 4, 3, 1; %e A128308 19, 10, 7, 4, 1; %e A128308 59, 29, 17, 11, 5, 1; %e A128308 ... %Y A128308 Cf. A007051, A128307, A007318. %Y A128308 The first column is A111277. %K A128308 nonn,tabl %O A128308 1,4 %A A128308 _Gary W. Adamson_, Feb 25 2007 %E A128308 Crossref to A111277 added by _Peter J. Taylor_, Jul 23 2014