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 A130161 #5 Feb 20 2022 14:41:50 %S A130161 1,-1,2,-1,0,1,0,-2,0,3,-1,0,0,0,1,1,-2,-1,0,0,2,-1,0,0,0,0,0,2,0,0,0, %T A130161 -3,0,0,0,4,0,0,-1,0,0,0,0,0,1,1,-2,0,0,-1,0,0,0,0,2 %N A130161 A054525 * A036989 as a diagonalized matrix. %C A130161 Left border = mu(n), A008683. %C A130161 Right border = A036989, (1, 2, 1, 3, 1, 2, 2, 4, 1, 2, ...) = the inverse Moebius transform (A051731) of the Thue-Morse sequence, offset 1: (1, 1, 0, 1, 0, 0, 1, ...). %C A130161 Row sums = the Thue-Morse sequence starting with "1". %F A130161 Moebius transform of an infinite lower triangular matrix with A036989 in the main diagonal and the rest zeros. %e A130161 First few rows of the triangle: %e A130161 1; %e A130161 -1, 2; %e A130161 -1, 0, 1; %e A130161 0, -2, 0, 3; %e A130161 -1, 0, 0, 0, 1; %e A130161 1, -2, -1, 0, 0, 2; %e A130161 -1, 0, 0, 0, 0, 0, 2; %e A130161 ... %Y A130161 Cf. A036989, A051731, A054525, A010060, A008683. %K A130161 tabl,sign %O A130161 0,3 %A A130161 _Gary W. Adamson_, May 13 2007