%I #4 Feb 18 2022 22:34:14
%S 1,1,1,0,2,1,0,2,2,1,1,2,3,2,1,1,3,5,3,2,1,0,4,8,6,3,2,1,0,4,11,12,6,
%T 3,2,1,1,4,14,20,13,6,3,2,1,1,5,18,30,25,13,6,3,2,1
%N A129686^(-1) * A052509.
%C Row sums = A097083: (1, 2, 3, 5, 9, 15, ...).
%F A129686^(-1) * A052509 as infinite lower triangular matrices, where A129686 = the alternate term operator.
%e First few rows of the triangle:
%e 1;
%e 1, 1;
%e 0, 2, 1;
%e 0, 2, 2, 1;
%e 1, 2, 3, 2, 1;
%e 1, 3, 5, 3, 2, 1;
%e 0, 4, 8, 6, 3, 2, 1;
%e ...
%Y Cf. A129686, A052509, A097083.
%K nonn,tabl
%O 0,5
%A _Gary W. Adamson_, Jun 23 2007
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