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A220150
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Number of n X 5 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 5 array.
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1
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15, 88, 645, 4559, 34959, 279304, 2173203, 16032779, 111800304, 739040657, 4649261872, 27940861285, 160944594371, 891059955504, 4752920160872, 24475451373463, 121902117207744, 588193576732660, 2753698006392772
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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
..2..0..0..0..0....1..0..0..0..0....1..0..0..0..0....0..0..0..0..0
..2..2..2..0..0....2..1..0..0..0....2..1..1..0..0....1..0..0..0..0
..2..2..2..0..0....2..1..0..0..0....2..2..1..1..1....1..0..0..0..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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