%I #6 Mar 26 2022 04:17:36
%S 1,1,4,1,0,9,1,4,0,16,1,0,0,0,25,1,4,9,0,0,36,1,0,0,0,0,0,49,1,4,0,16,
%T 0,0,0,64,1,0,9,0,0,0,0,0,81,1,4,0,0,25,0,0,0,0,100
%N A051731 * A127733.
%C Row sums = A001157: (1, 5, 10, 21, 26, 25, 50, 50, ...).
%F A051731 * A127733 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 1, 4;
%e 1, 0, 9;
%e 1, 4, 0, 16;
%e 1, 0, 0, 0, 25;
%e 1, 4, 9, 0, 0, 36;
%e 1, 0, 0, 0, 0, 0, 49;
%e ...
%Y Cf. A051731, A127733, A001157.
%K nonn,tabl
%O 1,3
%A _Gary W. Adamson_, Nov 02 2007