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A250862
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Number of (n+2)X(2+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column
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1
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4096000, 128000000, 4000000000, 125000000000, 1750000000000, 24500000000000, 343000000000000, 2941225000000000, 25221004375000000, 216270112515625000, 1328763571296000000, 8163923382042624000, 50159145259269881856
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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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
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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