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A267740
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Number of nX6 arrays of permutations of 6 copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0.
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1
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1, 462, 786, 3428, 14138, 55105, 211044, 807164, 3087973, 11817336, 45232264, 173151134, 662878034, 2537840433, 9716563504, 37202855866, 142447146042, 545436779876, 2088564662921, 7997681304224, 30626181091364, 117282753874594
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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..0..0..1..1..2....0..0..0..0..1..2....0..0..0..1..2..2....0..1..1..2..2..2
..0..1..1..2..2..3....1..1..1..1..2..2....0..1..1..2..3..3....2..2..2..3..3..3
..1..1..2..3..3..3....2..2..2..3..3..0....1..1..2..3..3..0....3..3..0..0..0..1
..2..2..3..3..0..0....3..3..3..3..0..1....2..2..3..3..0..1....3..0..0..1..1..1
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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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