A130267 - OEIS

%I #4 Feb 20 2022 14:46:36

%S 1,2,2,2,1,3,3,3,1,4,2,1,1,1,5,4,4,4,1,1,6,2,1,1,1,1,1,7,4,4,2,5,1,1,

%T 1,8,3,2,4,1,1,1,1,1,9,4,4,2,2,6,1,1,1,1,10

%N A051731 * A051340.

%C Row sums = A129235: (1, 4, 6, 11, 10, 20, ...).

%C Left border = A000005, d(n): (1, 2, 2, 3, 2, 4, ...).

%F Inverse Moebius transform of A051340.

%e First few rows of the triangle:

%e   1;

%e   2, 2;

%e   2, 1, 3;

%e   3, 3, 1, 4;

%e   2, 1, 1, 1, 5;

%e   4, 4, 4, 1, 1, 6;

%e   2, 1, 1, 1, 1, 1, 7;

%e   ...

%Y Cf. A051340, A051731, A000005, A129235.

%K nonn,tabl

%O 0,2

%A _Gary W. Adamson_, May 18 2007