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A219880
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Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX5 array
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1
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15, 24, 292, 2190, 14536, 89795, 565824, 3605746, 22430565, 132945658, 747855900, 4015816403, 20719013269, 103153843621, 496871314897, 2319802248962, 10515430463734, 46349614135168, 198938106785464, 832494580725450
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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=3
..1..0..0..0..0....1..1..0..0..0....2..2..1..1..1....2..2..1..0..0
..1..0..0..0..0....1..1..0..0..0....2..2..1..1..1....2..2..1..0..1
..1..0..1..0..0....2..1..1..1..2....2..2..2..1..2....2..2..2..2..2
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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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