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A219683
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Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, vertical 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, 22, 208, 1531, 8964, 44816, 220182, 1116208, 5697556, 28354294, 135630422, 623221049, 2761665622, 11842133497, 49237357701, 198775751684, 780253085746, 2982381614057, 11117260746432, 40470971856226, 144060818799022
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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....2..0..0..0..0....1..1..0..0..0....2..0..0..0..0
..1..0..0..0..0....2..0..0..0..0....1..0..0..0..0....2..0..0..0..0
..2..2..1..0..0....2..2..0..0..0....1..0..0..2..2....2..1..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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