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%I #10 Mar 06 2022 08:35:23
%S 1,3,2,5,8,3,7,18,15,4,9,32,42,24,5,11,50,90,80,35,6,13,72,165,200,
%T 135,48,7,15,98,273,420,385,210,63,8,17,128,420,784,910,672,308,80,9,
%U 19,162,612,1344,1890,1764,1092,432,99,10
%N A128064 (unsigned) * A007318.
%C Row sums = A053220: (1, 5, 16, 44, 112, 272, ...).
%C A003506 = A007318 * A128064 (unsigned).
%F A128064 (unsigned) * A007318 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 3, 2;
%e 5, 8, 3;
%e 7, 18, 15, 4;
%e 9, 32, 42, 24, 5;
%e 11, 50, 90, 80, 35, 6;
%e ...
%Y Cf. A007318, A128064, A053220, A003506.
%K nonn,tabl
%O 0,2
%A _Gary W. Adamson_, Aug 29 2007
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