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A250593
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Number of (n+2)X(n+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column
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1
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19683, 2099520, 622080000, 512000000000, 175000000000000, 117236328125000000, 153936794281005859375, 95375119619390625000000, 97682483345284168128000000, 165381614442044595841154678784
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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
..1..0..1....2..2..2....1..0..2....2..1..1....1..2..0....1..0..2....0..1..0
..2..2..1....0..2..2....0..0..2....2..0..0....2..2..1....2..0..1....2..0..2
..2..1..1....2..2..0....0..0..1....0..0..0....1..0..2....0..2..0....0..1..0
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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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