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%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