%I #12 Jul 24 2024 03:05:54
%S 1,3,1,6,3,1,12,6,3,1,24,12,6,3,1,48,24,12,6,3,1,96,48,24,12,6,3,1,
%T 192,96,48,24,12,6,3,1,384,192,96,48,24,12,6,3,1,768,384,192,96,48,24,
%U 12,6,3,1,1536,768,384,192,96,48,24,12,6,3,1,3072,1536,768,384,192,96,48,24,12,6,3,1
%N Triangle read by rows: A097806 * A130321 as infinite lower triangular matrices.
%C Row sums = A033484: (1, 4, 10, 22, 46, 94, 190, ...).
%F A097806 * A130321 as infinite lower triangular matrices. A097806 = the pairwise operator, A130321 = [1; 2,1; 4,2,1; ...]. Triangle, A003945 (1, 3, 6, 12, 24, 48, ...) in every column.
%e First few rows of the triangle:
%e 1;
%e 3, 1;
%e 6, 3, 1;
%e 12, 6, 3, 1;
%e 24, 12, 6, 3, 1;
%e 48, 24, 12, 6, 3, 1;
%e ...
%Y Cf. A003945, A033484, A097806, A130321.
%K nonn,tabl
%O 1,2
%A _Gary W. Adamson_, May 26 2007
%E a(28) = 1 inserted and more terms from _Georg Fischer_, May 29 2023
|