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A236316
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Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock
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1
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2744, 61262, 1362884, 30415198, 680489392, 15223905144, 340350445264, 7608971725444, 170137169799572, 3804313550670246, 85061863798502284, 1901919927648596130, 42525951840604064540, 950859296217244413762
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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
..3..2..2....3..2..0....0..1..2....0..2..1....0..1..2....0..0..0....2..1..3
..3..2..2....0..2..0....1..2..3....2..3..1....1..2..3....1..1..2....1..0..3
..1..3..2....1..3..2....3..2..3....3..2..3....2..3..2....1..0..3....1..0..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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