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A219914
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Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX7 array
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0
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28, 28, 606, 6089, 65802, 645589, 6705546, 71452528, 764737940, 7932864789, 78651522555, 744576551164, 6781624070409, 59953227371061, 517463491924047, 4369553617090417
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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..1..0..0..0..0..0....1..0..0..0..0..0..0....1..1..1..1..0..0..0
..1..1..0..0..0..0..0....1..0..0..0..0..0..0....1..1..1..1..0..0..0
..2..2..2..2..2..0..0....1..0..0..0..2..2..2....2..2..2..2..1..0..0
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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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