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%I #7 Feb 18 2022 22:42:33
%S 1,2,1,4,3,1,7,6,3,1,12,11,7,3,1,20,19,14,7,3,1,33,32,26,15,7,3,1,54,
%T 53,46,30,15,7,3,1,88,87,79,57,31,15,7,3,1,143,142,133,104,62,31,15,7,
%U 3,1
%N A052509 * A000012.
%C Left border = A000071, Fibonacci numbers - 1, starting with F(3): (1, 2, 4, 7, 12, ...). Row sums = A131253: (1, 3, 8, 17, 34, 64, 117, ...).
%F A052509 * A000012, where A000012 = (1; 1,1; 1,1,1; ...).
%e First few rows of the triangle:
%e 1;
%e 2, 1;
%e 4, 3, 1;
%e 7, 6, 3, 1;
%e 12, 11, 7, 3, 1;
%e 20, 19, 14, 7, 3, 1;
%e 33, 32, 26, 15, 7, 3, 1;
%e ...
%Y Cf. A000071, A000012, A052509, A131253.
%K nonn,tabl
%O 0,2
%A _Gary W. Adamson_, Jun 23 2007
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