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A220784
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Agreement numbers: number of nX3 arrays of the count of horizontal and vertical neighbors equal to the corresponding element in a random 0..3 nX3 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
..2..3..2....0..2..2....1..0..0....0..1..0....0..2..1....1..0..0....0..1..1
..2..4..3....0..3..3....3..3..1....1..1..0....1..3..0....1..1..1....0..2..2
..0..2..2....1..3..2....2..2..0....1..1..1....0..2..1....1..1..0....0..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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