A091615 Matrix square of triangle A091613.

1, 2, 1, 6, 0, 1, 11, 6, 0, 1, 26, 12, 4, 0, 1, 61, 26, 10, 4, 0, 1, 132, 70, 26, 8, 4, 0, 1, 290, 174, 62, 24, 8, 4, 0, 1, 638, 404, 156, 60, 22, 8, 4, 0, 1, 1390, 946, 385, 146, 58, 22, 8, 4, 0, 1, 3012, 2192, 921, 362, 144, 56, 22, 8, 4, 0, 1, 6496, 5008, 2177, 876, 350, 142

Offset

1,2

Links

Table of n, a(n) for n=1..72.

Example

1; 2,1; 6,0,1; 11,6,0,1; 26,12,4,0,1; ...

Crossrefs

Row sums: A091621. Column 1: A091622.

Sequence in context: A110863 A215219 A335931 * A213279 A175591 A187784

Adjacent sequences: A091612 A091613 A091614 * A091616 A091617 A091618

Keyword

nonn,tabl

Author

Christian G. Bower, Jan 23 2004

Status

approved