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A250612
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Number of (n+1)X(n+1) 0..2 arrays with nondecreasing maximum of every two consecutive values in every row and column
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0
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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=2
..1..1..1....1..2..0....0..1..2....1..2..1....2..2..1....0..1..0....1..1..1
..0..2..0....1..0..1....2..1..2....2..2..0....2..2..0....1..2..1....2..2..1
..1..0..1....0..2..0....1..0..1....1..1..1....1..2..1....2..0..2....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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