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%I #6 Mar 25 2022 00:34:15

%S 1,2,1,4,4,1,8,12,6,1,15,30,23,8,1,26,65,68,37,10,1,42,126,168,126,54,

%T 12,1,64,224,364,350,208,74,14,1,93,372,714,840,642,318,97,16,1,130,

%U 585,1296,1806,1692,1080,460,123,18,1

%N A077018 * A007318.

%C Row sums = A048481: (1, 3, 9, 27, 77, 207, 529, ...).

%F A077018 * A007318 as infinite lower triangular matrices.

%e First few rows of the triangle:

%e 1;

%e 2, 1;

%e 4, 4, 1;

%e 8, 12, 6, 1;

%e 15, 30, 23, 8, 1;

%e 26, 65, 68, 37, 10, 1;

%e 42, 126, 168, 126, 54, 12, 1;

%e ...

%Y Cf. A077018, A048481.

%K nonn,tabl

%O 0,2

%A _Gary W. Adamson_, Oct 23 2007