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A233610
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Number of (n+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards
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1
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17064, 27826929, 345855899520, 32842430056859347, 23811740158656753556614, 131875420683502307856971387719, 5579329268797957710001574591451050376, 1803344684216195708245651510240850004883561345
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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..0....0..2..1....1..2..2....2..2..1....2..2..0....0..1..1....0..1..0
..1..1..1....2..0..1....0..2..1....1..2..2....0..2..2....0..2..1....1..2..0
..2..0..1....1..0..2....2..0..0....2..1..1....0..0..0....0..1..1....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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