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%I #8 Apr 02 2022 09:58:41
%S 1,1,1,1,2,1,1,2,4,1,1,2,6,7,1,1,2,6,17,11,1,1,2,6,22,41,16,1,1,2,6,
%T 22,76,86,22,1,1,2,6,22,90,226,162,29,1,1,2,6,22,90,352,582,281,37,1
%N Triangle read by rows: A000012 * A107131.
%C Row sums = A086615: (1, 2, 4, 8, 17, 38, ...).
%C A136787 = A107131 * A000012.
%F A000012 * A107131 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 1, 1;
%e 1, 2, 1;
%e 1, 2, 4, 1;
%e 1, 2, 6, 7, 1;
%e 1, 2, 6, 17, 11, 1;
%e 1, 2, 6, 22, 41, 16, 1;
%e 1, 2, 6, 22, 76, 86, 22, 1;
%e ...
%Y Cf. A086615, A136787.
%K nonn,tabl,more
%O 0,5
%A _Gary W. Adamson_, Jan 21 2008
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