A134840 - OEIS

%I #6 Mar 27 2022 18:35:55

%S 1,1,2,1,3,3,1,2,3,4,1,3,4,6,5,1,2,3,4,5,6,1,3,3,7,5,9,7,1,2,4,4,5,8,

%T 7,8,1,3,3,6,6,9,7,12,9,1,2,3,4,5,6,7,8,9,10,1,3,4,7,5,12,7,14,12,15,

%U 11

%N Triangle, antidiagonals of an array formed by A051731 * A126988(transform).

%C Row sums = A069153: (1, 3, 7, 10, 19, 21, 35, 39, ...).

%F Triangle, antidiagonals of an array formed by A051731 * A126988(transform).

%e First few rows of the array:

%e   1, 2, 3, 4, 5, 6, 7, ...

%e   1, 3, 3, 6, 5, 9, 7, ...

%e   1, 2, 4, 4, 5, 8, 7, ...

%e   1, 3, 3, 7, 5, 9, 7, ...

%e   1, 2, 3, 4, 6, 6, 7, ...

%e   ...

%e First few rows of the triangle:

%e   1;

%e   1, 2;

%e   1, 3, 3;

%e   1, 2, 3, 4;

%e   1, 3, 4, 6, 5;

%e   1, 2, 3, 4, 5, 6;

%e   1, 2, 3, 7, 5, 9, 7;

%e   1, 2, 4, 4, 5, 8, 7, 8;

%e   ...

%Y Cf. A051731, A126988, A069153.

%K nonn,tabl

%O 1,3

%A _Gary W. Adamson_, Nov 12 2007