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A250596 Number of (n+2)X(3+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column 1
1259712, 27993600, 622080000, 13824000000, 144000000000, 1500000000000, 15625000000000, 103359375000000, 683722265625000, 4522822787109375, 22063334627250000, 107629849274976000, 525042322507616256 (list; graph; refs; listen; history; text; internal format)
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

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

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Last modified September 18 16:24 EDT 2021. Contains 347528 sequences. (Running on oeis4.)