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%I #6 Mar 04 2022 01:27:24
%S 1,6,4,14,5,9,25,7,7,16,39,9,9,9,25,56,11,11,11,11,36,76,13,13,13,13,
%T 13,49,99,15,15,15,15,15,15,64,125,17,17,17,17,17,17,17,81,154,19,19,
%U 19,19,19,19,19,19,100
%N Square of lower triangular matrix in A131821, read by rows.
%C Left column = A095794: (1, 6, 14, 25, 39, 56, ...).
%C Row sums = A060544: (1, 10, 28, 55, 91, 190, ...).
%F A131821^2.
%e First few rows of the triangle:
%e 1;
%e 6, 4;
%e 14, 5, 9;
%e 25, 7, 7, 16;
%e 39, 9, 9, 9, 25;
%e 56, 11, 11, 11, 11, 36;
%e 76, 13, 13, 13, 13, 13, 49;
%e ...
%Y Cf. A131821, A095794, A060544.
%K nonn,tabl
%O 1,2
%A _Gary W. Adamson_, Jul 20 2007
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