A128522 - OEIS

%I #5 Feb 18 2022 22:20:26

%S 1,0,1,1,1,1,1,1,1,1,2,2,2,1,1,1,1,1,2,1,1,3,3,3,2,2,1,1,2,2,2,2,2,2,

%T 1,1,3,3,3,3,3,2,2,1,1,2,2,2,3,2,3,2,2,1,1

%N A054525 * A128174 * A000012.

%C Row sums = A123323: (1, 1, 3, 4, 8,7, 15, 14, ...). Left column = A083290: (1, 0, 1, 1, 2, 1, 3, 2, 3, 2, ...) A128521 = A128174 * A054525 * A000012.

%F A054525 * A128174 * A000012 as infinite lower triangular matrices.

%e First few rows of the triangle:

%e   1;

%e   0, 1;

%e   1, 1, 1;

%e   1, 1, 1, 1;

%e   2, 2, 2, 1, 1;

%e   1, 1, 1, 2, 1, 1;

%e   3, 3, 3, 2, 2, 1, 1;

%e   2, 2, 2, 2, 2, 2, 1, 1;

%e   3, 3, 3, 3, 3, 2, 2, 1, 1;

%e   ...

%Y Cf. A054525, A128174, A000012, A083290, A123323, A128521.

%K nonn,tabl

%O 1,11

%A _Gary W. Adamson_, Mar 07 2007