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A201215
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Number of nX7 0..3 arrays with every row and column running average nondecreasing rightwards and downwards
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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=2
..0..2..1..2..3..3..3....0..0..0..0..0..0..1....0..0..0..2..2..2..1
..2..2..2..3..3..3..3....0..1..3..3..3..2..3....1..1..1..2..3..2..3
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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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