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Triangle read by rows: A000012 * A119467 as infinite lower triangular matrices.
3

%I #6 May 29 2023 11:25:18

%S 1,1,1,2,1,1,2,4,1,1,3,4,7,1,1,3,9,7,11,1,1,4,9,22,11,16,1,1,4,16,22,

%T 46,16,22,1,1,5,16,50,46,86,22,29,1,1,5,25,50,130,86,148,29,37,1,1,6,

%U 25,95,130,296,148,239,37,46,1,1

%N Triangle read by rows: A000012 * A119467 as infinite lower triangular matrices.

%C Row sums = 2^n.

%e First few rows of the triangle are:

%e 1;

%e 1, 1;

%e 2, 1, 1;

%e 2, 4, 1, 1;

%e 3, 4, 7, 1, 1;

%e 3, 9, 7, 11, 1, 1;

%e 4, 9, 22, 11, 16, 1, 1;

%e 4, 16, 22, 46, 16, 22, 1, 1;

%e ...

%Y Cf. A000012, A119467.

%K nonn,tabl

%O 0,4

%A _Gary W. Adamson_, Jun 12 2007

%E a(46) = 5 inserted and more terms from _Georg Fischer_, May 29 2023