%I #4 Feb 20 2022 14:49:15
%S 1,5,2,12,4,3,22,6,5,4,35,8,7,6,5,51,10,9,8,7,6,70,12,11,10,9,8,7,92,
%T 14,13,12,11,10,9,8,117,16,15,14,13,12,11,10,9,145,18,17,16,15,14,13,
%U 12,11,10
%N A051340 * A130296.
%C Row sums = A003215: (1, 7, 19, 37, 61, 91, ...).
%C Left border = A000326: (1, 5, 12, 22, 35, ...).
%C A130299 = A130296 * A051340.
%F A051340 * A130296 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 5, 2;
%e 12, 4, 3;
%e 22, 6, 5, 4;
%e 35, 8, 7, 6, 5;
%e 51, 10, 9, 8, 7, 6;
%e 70, 12, 11, 10, 9, 8, 7;
%e ...
%Y Cf. A051340, A130296, A003215, A000326.
%K nonn,tabl
%O 1,2
%A _Gary W. Adamson_, May 20 2007