%I #4 Feb 18 2022 22:26:56
%S 1,2,2,5,4,4,10,10,8,8,21,20,20,16,16,42,42,40,40,32,32,85,84,84,80,
%T 80,64,64,170,170,168,168,160,160,128
%N A130125 * A000012.
%C Left column = A000975: (1, 2, 5, 10, 21, 42, ...). Row sums = A102301: (1, 4, 13, 36, 93, ...). A130127 = A000012 * A130125.
%F A130125 * A000012 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 2, 2;
%e 5, 4, 4;
%e 10, 10, 8, 8;
%e 21, 20, 20, 16, 16;
%e 42, 42, 40, 40, 32, 32;
%e 85, 84, 84, 80, 80, 64, 64;
%e ...
%Y Cf. A000975, A102301, A130127, A000012, A130125.
%K nonn,tabl
%O 0,2
%A _Gary W. Adamson_, May 11 2007