A134699 - OEIS

%I #8 Mar 26 2022 10:21:57

%S 1,3,1,3,1,1,6,3,1,1,3,1,1,1,1,9,5,3,1,1,1,3,1,1,1,1,1,1,10,6,3,3,1,1,

%T 1,1,6,3,3,1,1,1,1,1,1,9,5,3,3,3,1,1,1,1,1

%N A051731^2 * A000012.

%C Left column = A007425.

%C Row sums = A007429: (1, 4, 5, 11, 7, 20, ...).

%C A134700 = A000012 * A127170

%F A051731^2 * A000012 = A127170 * A000012, as infinite lower triangular matrices.

%e First few rows of the triangle:

%e    1;

%e    3, 1;

%e    3, 1, 1;

%e    6, 3, 1, 1;

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

%e    9, 5, 3, 1, 1, 1;

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

%e   10, 6, 3, 3, 1, 1, 1, 1;

%e   ...

%Y Cf. A127170, A051731, A007429, A007425, A134700.

%K nonn,tabl,more

%O 1,2

%A _Gary W. Adamson_, Nov 06 2007