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A219707
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Number of n X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 n X n array
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0
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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..0....0..0..0....1..0..0....0..0..0....1..0..0....0..0..0
..1..0..2....0..0..0....0..0..3....1..0..2....0..0..1....1..0..1....0..0..2
..2..2..3....2..0..1....3..0..0....2..1..1....3..1..2....3..1..1....3..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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