A091615 - OEIS

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A091615

Matrix square of triangle A091613.

3

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

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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