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 A127375 #11 May 29 2023 13:03:21 %S A127375 1,3,0,4,1,0,7,0,1,0,6,1,1,1,0,12,2,0,0,1,0,8,1,1,1,1,1,0,15,0,3,0,1, %T A127375 0,1,0,13,4,0,1,1,0,1,1,0,18,2,3,2,0,0,1,0,1,0,12,1,1,1,1,1,1,1,1,1,0, %U A127375 28,4,3,0,3,0,1,0,0,0,1,0,14,1,1,1,1,1,1,1,1,1,1,1,0 %N A127375 Triangle A126988 * A054521, as infinite lower triangular matrices. %C A127375 Left column gives A000203. %C A127375 Row sums give A018804. %e A127375 First few rows of the triangle are: %e A127375 1; %e A127375 3, 0; %e A127375 4, 1, 0; %e A127375 7, 0, 1, 0; %e A127375 6, 1, 1, 1, 0; %e A127375 12, 2, 0, 0, 1, 0; %e A127375 8, 1, 1, 1, 1, 1, 0; %e A127375 ... %Y A127375 Cf. A000203, A018804, A054521, A126988. %K A127375 nonn,tabl %O A127375 1,2 %A A127375 _Gary W. Adamson_, Jan 12 2007 %E A127375 a(17) = 2 inserted and more terms from _Georg Fischer_, May 29 2023