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A237390
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Number of (n+1)X(6+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock
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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=1
..0..2..0..1..2..2..1....0..1..2..2..1..0..2....0..0..1..1..2..0..1
..2..0..1..0..0..0..1....1..0..1..0..1..1..1....0..0..1..1..0..2..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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