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A219497
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Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X n array
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0
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2, 3, 11, 35, 107, 325, 995, 3083, 9663, 30581, 97541
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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
..0..0..0....0..0..0....1..1..1....0..0..0....0..0..0....1..0..0....1..0..0
..0..0..0....1..0..0....1..1..1....0..0..0....1..0..0....1..0..0....1..1..0
..1..0..0....1..1..1....1..1..1....1..1..0....1..0..0....1..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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