%I #7 Feb 15 2022 11:12:34

%S 1,5,2,15,8,3,34,21,11,4,65,44,27,14,5,111,80,54,33,17,6,175,132,95,

%T 64,39,20,7,260,203,153,110,74,45,23,8,369,296,231,174,125,84,51,26,9,

%U 505,414,332,259,195,140,94,57,29,10

%N A128132 * A122432 (unsigned).

%C Row sums = A006325 starting (1, 7, 26, 70, 155, ...).

%C Left border = A006003: (1, 5, 15, 34, 65, 111, ...).

%C A128141 = A122432 * A128132.

%F A128132 * A122432 (unsigned); as infinite lower triangular matrices.

%e First few rows of the triangle:

%e 1;

%e 5, 2;

%e 15, 8, 3;

%e 34, 21, 11, 4;

%e 65, 44, 27, 14, 5;

%e 111, 80, 54, 33, 17, 6;

%e 175, 132, 95, 64, 39, 20, 7;

%e ...

%Y Cf. A128132, A122432, A006325, A128141, A006003.

%K nonn,tabl

%O 1,2

%A _Gary W. Adamson_, Feb 16 2007