%I #4 Feb 21 2022 00:20:06
%S 1,2,1,4,1,1,6,2,1,1,8,2,2,1,1,10,2,2,2,1,12,2,2,2,2,1,1,14,2,2,2,2,2,
%T 1,1,16,2,2,2,2,2,2,1,1
%N A129686 * A051340.
%C Row sums = A113127: (1, 3, 6, 10, 14, 18, 22, ...).
%F A129686 * A051340 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 2, 1;
%e 4, 1, 1;
%e 6, 2, 1, 1;
%e 8, 2, 2, 1, 1;
%e 10, 2, 2, 2, 1, 1;
%e ...
%Y Cf. A129686, A051340, A113127.
%K nonn,tabl
%O 0,2
%A _Gary W. Adamson_, Jun 10 2007