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 A137586 #8 Apr 02 2022 10:10:29 %S A137586 1,0,1,1,0,1,2,0,0,1,3,1,0,0,1,5,1,0,0,0,1,7,2,1,0,0,0,1,10,3,1,0,0,0, %T A137586 0,1,16,3,1,1,0,0,0,0,1,21,5,2,1,0,0,0,0,0,1,29,7,3,1,1,0,0,0,0,0,1, %U A137586 40,10,3,1,1,0,0,0,0,0,0,1,57,11,4,2,1,1,0,0,0,0,0,0,1 %N A137586 Triangle read by rows: A026794 * A054525. %C A137586 Row sums = the partition numbers, A000041: (1, 1, 2, 3, 5, 7, 11, 15, ...). %C A137586 A137585 = A054525 * A026794. %F A137586 A026794 * A054525, as infinite lower triangular matrices. %F A137586 A026794 = the partition triangle, A054525 = the Mobius transform. %e A137586 First few rows of the triangle: %e A137586 1; %e A137586 0, 1; %e A137586 1, 0, 1; %e A137586 2, 0, 0, 1; %e A137586 3, 1, 0, 0, 1; %e A137586 5, 1, 0, 0, 0, 1; %e A137586 7, 2, 1, 0, 0, 0, 1; %e A137586 10, 3, 1, 0, 0, 0, 0, 1; %e A137586 16, 3, 1, 1, 0, 0, 0, 0, 1; %e A137586 ... %Y A137586 Cf. A000041, A137585, A026794, A054525. %K A137586 nonn,tabl %O A137586 1,7 %A A137586 _Gary W. Adamson_, Jan 27 2008