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A218644
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Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 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..1..3....0..0..1....2..2..3....0..0..3....3..1..1....1..1..1....3..2..2
..1..1..3....0..0..2....1..1..2....0..2..0....1..1..0....1..1..2....3..2..2
..1..1..3....0..3..3....1..1..2....2..0..0....1..0..0....3..2..2....3..2..2
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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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