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 A128184 #4 Feb 15 2022 01:52:22 %S A128184 1,2,1,1,1,1,2,1,1,1,1,0,0,1,1,2,2,1,0,1,1,1,0,0,0,0,1,1,2,1,1,1,0,0, %T A128184 1,1,1,1,1,0,0,0,0,1,1,2,1,0,1,1,0,0,0,1,1 %N A128184 A051731 * A097806. %C A128184 Row sums = A114003: (1, 3, 3, 5, 3, 7, 3, 7, 5, 7, ...). %F A128184 A051731 * A097806, (inverse Moebius transform of A097806). %e A128184 First few rows of the triangle: %e A128184 1; %e A128184 2, 1; %e A128184 1, 1, 1; %e A128184 2, 1, 1, 1; %e A128184 1, 0, 0, 1, 1; %e A128184 2, 2, 1, 0, 1, 1; %e A128184 ... %Y A128184 Cf. A051731, A097806, A114003. %K A128184 nonn,tabl %O A128184 1,2 %A A128184 _Gary W. Adamson_, Feb 17 2007