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 A134576 #8 Mar 26 2022 10:21:38 %S A134576 1,4,4,9,0,9,16,16,0,16,25,0,0,0,25,36,36,36,0,0,36,49,0,0,0,0,0,49, %T A134576 64,64,0,64,0,0,0,64,81,0,81,0,0,0,0,0,81,100,100,0,0,100,0,0,0,0,100 %N A134576 A127733 * A051731. %C A134576 Row sums = A034714: (1, 8, 18, 48, 50, 144, ...). %F A134576 A127733 * A051731 as infinite lower triangular matrices. %F A134576 Triangle read by rows: replace 1's in n-th row of A051731 with n^2. %e A134576 First few rows of the triangle: %e A134576 1; %e A134576 4, 4; %e A134576 9, 0, 9; %e A134576 16, 16, 0, 16; %e A134576 25, 0, 0, 0, 25; %e A134576 36, 36, 36, 0, 0, 36; %e A134576 49, 0, 0, 0, 0, 0, 49; %e A134576 ... %Y A134576 Cf. A051731, A127733, A034714. %K A134576 nonn,tabl,more %O A134576 1,2 %A A134576 _Gary W. Adamson_, Nov 02 2007