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A264838
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Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 7.
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0
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1, 2, 2, 15, 68, 401, 2179, 23229, 213332, 2642772, 38611992, 723385584, 16909827584, 343510569552, 9601049357952, 305917702264416
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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=4
..1..7..2..3....0..5..7..2....0..1..7..2....5..0..7..2....5..0..1..2
..5..0..6..4....1..6..3..4....5..6..3..4....6..1..3..4....6..7..3..4
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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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