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 A177953 #7 May 30 2023 11:09:24 %S A177953 1,2,1,4,2,1,8,3,4,1,16,4,11,4,1,32,5,26,10,6,1,64,6,57,20,22,6,1,128, %T A177953 7,120,35,64,21,8,1,256,8,247,56,163,56,37,8,1,512,9,502,84,382,126, %U A177953 130,36,10,1,1024,10,1013,120,848,252,386,120,56,10,1,2048,11,2036,165,1816,462,1024,330,232,55,12,1 %N A177953 Triangle read by rows, binomial transform of triangle A070909. %C A177953 Row sums = A045891 starting with offset 1: (1, 3, 7, 16, 36,...). %F A177953 Triangle read by rows, A007318 * A070909. %e A177953 First few rows of the triangle = %e A177953 1; %e A177953 2, 1; %e A177953 4, 2, 1; %e A177953 8, 3, 4, 1; %e A177953 16, 4, 11, 4, 1; %e A177953 32, 5, 26, 10, 6, 1; %e A177953 64, 6, 57, 20, 22, 6, 1; %e A177953 128, 7, 120, 35, 64, 21, 8, 1; %e A177953 256, 8, 247, 56, 163, 56, 37, 8, 1; %e A177953 512, 9, 502, 84, 382, 126, 130, 36, 10, 1; %e A177953 1024, 10, 1013, 120, 848, 252, 386, 120, 56, 10, 1; %e A177953 ... %Y A177953 Cf. A045891, A070909. %K A177953 nonn,tabl %O A177953 0,2 %A A177953 _Gary W. Adamson_, May 15 2010 %E A177953 a(27) = 1 inserted and more terms from _Georg Fischer_, May 29 2023