%I #3 Mar 30 2012 17:25:18
%S 1,0,4,0,0,9,0,0,0,16,0,0,0,0,25,0,0,0,0,0,36,0,0,0,0,0,0,49
%N Square of A127648 = Triangle read by rows, n^2 preceded by (n-1) zeros.
%e First few rows of the triangle are:
%e 1;
%e 0, 4;
%e 0, 0, 9;
%e 0, 0, 0, 16;
%e 0, 0, 0, 0, 25;
%e ...
%Y Cf. A127648.
%K nonn,tabl
%O 1,3
%A _Gary W. Adamson_, Jan 26 2007