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A250862 Number of (n+2)X(2+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column 1
4096000, 128000000, 4000000000, 125000000000, 1750000000000, 24500000000000, 343000000000000, 2941225000000000, 25221004375000000, 216270112515625000, 1328763571296000000, 8163923382042624000, 50159145259269881856 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A250868

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..101

EXAMPLE

Some solutions for n=1

..0..0..0..1....0..0..0..2....2..0..0..2....2..0..0..2....0..0..0..1

..0..3..2..2....1..0..3..3....2..2..2..2....0..2..0..0....0..0..0..3

..2..2..2..2....0..1..3..1....0..2..1..2....0..0..3..0....2..0..2..2

CROSSREFS

Sequence in context: A278199 A107023 A107024 * A230755 A204151 A205245

Adjacent sequences:  A250859 A250860 A250861 * A250863 A250864 A250865

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2014

STATUS

approved

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Last modified February 25 08:21 EST 2020. Contains 332221 sequences. (Running on oeis4.)