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%I #2 Mar 30 2012 17:25:31
%S 1,4,2,9,0,3,16,8,0,4,25,0,0,0,5,36,18,12,0,0,6,49,0,0,0,0,0,7,64,32,
%T 0,16,0,0,0,8,81,0,27,0,0,0,0,0,9,100,50,0,0,20,0,0,0,0,10,121,0,0,0,
%U 0,0,0,0,0,0,11,144,72,48,36,0,24,0,0,0,0,0,12,169,0,0,0,0,0,0,0,0,0,0,0,13
%N Triangle read by rows, A127648 * A126988; 1<=k<=n.
%C Row sums = A064987, n*sigma(n): (1, 6, 12, 28, 30, 72, 56,...).
%F Triangle read by rows, A127648 * A126988; 1<=k<=n
%e First few rows of the triangle =
%e 1;
%e 4, 2;
%e 9, 0, 3;
%e 16, 8, 0, 4;
%e 25, 0, 0, 0, 5;
%e 36, 18, 12, 0, 0, 6;
%e 49, 0, 0, 0, 0, 0, 7;
%e 64, 32, 0, 16, 0, 0, 0, 8;
%e ...
%Y Cf. A127648, A126988, A064987.
%K nonn,tabl
%O 1,2
%A _Gary W. Adamson_, Aug 06 2008
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