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A236085
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Number of (n+1)X(3+1) 0..3 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock
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1
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22506, 601166, 15352800, 392462578, 10285907173, 269065203004, 7036190023429, 183374695218144, 4797976306520222, 125244809287997808, 3274400112500613317, 85471614534574899314, 2234439151838015619335, 58341211937560087073308
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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
..3..2..1..1....3..3..2..0....0..1..3..2....0..3..2..1....2..1..0..3
..1..0..1..3....3..2..0..0....0..3..2..1....0..0..3..3....2..0..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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