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A237397
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Number of (n+1)X(6+1) 0..3 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal
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1
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1413864, 121195320, 8872195706, 769041196608, 62405831529234, 5436278414118656, 459628101568470484, 40279683428717266020, 3478299638755360999440, 306480770541593259750342
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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..1..1..2..1..2....0..2..2..3..0..2..3....0..0..3..0..3..3..1
..1..0..0..3..2..3..2....2..3..2..2..2..1..2....2..2..1..2..1..2..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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