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A264660
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Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 5.
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0
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5
..2..0..6..5..1....0..7..9..1..5....0..8..1..7..5....2..0..5..3..1
..8..4..3..9..7....2..8..4..6..3....2..4..6..3..9....4..6..8..9..7
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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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