A250596 Number of (n+2) X (3+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column.

1259712, 27993600, 622080000, 13824000000, 144000000000, 1500000000000, 15625000000000, 103359375000000, 683722265625000, 4522822787109375, 22063334627250000, 107629849274976000, 525042322507616256

Offset

1,1

Comments

Column 3 of A250601.

Links

R. H. Hardin, Table of n, a(n) for n = 1..41

Example

Some solutions for n=1
..0..0..0..1..2....0..0..0..0..1....0..0..0..0..1....0..0..0..2..1
..0..1..1..0..1....0..1..0..1..1....1..0..1..2..2....2..0..2..2..2
..0..0..2..2..1....0..0..2..0..0....2..1..2..2..1....1..0..0..1..0

Crossrefs

Cf. A250601.

Sequence in context: A208489 A257268 A233465 * A250825 A292217 A072892

Adjacent sequences: A250593 A250594 A250595 * A250597 A250598 A250599

Keyword

nonn

Author

R. H. Hardin, Nov 25 2014

Status

approved