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A236091
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Number of (n+1)X(3+1) 0..2 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock
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1
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1512, 10912, 78302, 495192, 3614408, 26325004, 206365422, 1454459216, 10985640382, 80383145484, 626774654196, 4468370392240, 33997638890602, 247543561906284, 1918825277120984, 13754342536537496, 105029720988794420
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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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FORMULA
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Empirical recurrence of order 73 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..2..1....1..1..2..1....2..0..0..1....0..0..1..0....0..1..1..0
..0..0..1..2....1..1..1..2....0..0..1..1....0..1..0..0....0..0..1..2
..0..1..1..0....2..0..1..1....0..1..0..2....1..1..2..0....0..0..0..2
..1..1..2..2....0..2..0..0....1..1..2..0....0..2..1..1....2..0..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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