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 A133085 #8 Oct 11 2021 03:49:54 %S A133085 1,3,1,6,3,1,12,8,5,1,24,19,15,5,1,48,42,37,17,7,1,96,89,83,48,28,7,1, %T A133085 192,184,177,121,86,30,9,1,384,375,367,283,227,101,45,9,1,768,758,749, %U A133085 629,545,293,167,47,11,1 %N A133085 A133084 * A000012. %C A133085 Left column = A003945: (1, 3, 6, 12, 24, 48, ...). Row sums = A133086: (1, 4, 10, 26, 64, 152, ...). %F A133085 A133084 * A000012 as infinite lower triangular matrices. %e A133085 First few rows of the triangle are: %e A133085 1; %e A133085 3, 1; %e A133085 6, 3, 1; %e A133085 12, 8, 5, 1; %e A133085 24, 19, 15, 5, 1; %e A133085 48, 42, 37, 17, 7, 1; %e A133085 96, 89, 83, 48, 28, 7, 1; %e A133085 ... %Y A133085 Cf. A133084, A133086, A133080, A003945. %K A133085 nonn,tabl %O A133085 1,2 %A A133085 _Gary W. Adamson_, Sep 08 2007 %E A133085 a(28)=1 inserted by _Georg Fischer_, Oct 10 2021