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A236643
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Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock
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1
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3313, 59602, 1059502, 19049512, 341611331, 6135691048, 110014457016, 1974419685940, 35419863124516, 635654632432788, 11404562851684688, 204632387361445964, 3671559099611804860, 65880482855362142576
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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..1....1..0..2..2....2..1..1..0....0..0..0..0....0..0..0..2
..2..2..0..1....2..0..0..2....0..2..2..0....1..1..2..0....0..1..1..1
..2..2..2..1....2..1..2..0....0..1..2..0....1..0..2..0....2..1..0..0
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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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