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A264863
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Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 6 and columns nondecreasing modulo 7.
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0
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1, 2, 5, 12, 72, 516, 2727, 29935, 295297, 2830610, 27816612, 288374240, 4410043504, 44410041788, 716533737436, 16424244452552
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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
..0..1..7..4....1..7..2..3....0..7..2..3....1..7..2..4....0..1..7..2
..6..2..3..5....6..0..4..5....6..1..4..5....6..0..3..5....6..3..4..5
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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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