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A236708
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Number of (n+1)X(4+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock
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1
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13720, 216340, 3607280, 62377580, 1099360056, 19356846358, 338611786558, 5938320805688, 104483857316574, 1836937498422642, 32233934643957640, 565952621191068850, 9945952823588731012, 174746395248353729512
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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
..1..2..1..2..0....1..0..2..1..2....2..0..1..2..2....0..0..2..1..2
..0..2..2..0..0....2..1..2..2..0....2..0..1..2..0....0..0..2..0..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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