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A236061
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Number of (n+1) X (4+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2 X 2 subblock.
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1
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7016, 41344, 221292, 1189428, 6693198, 39556394, 224877256, 1256067308, 7205418850, 41590160892, 235987774244, 1340152691712, 7685708879014, 43958847875480, 250166110642086, 1427589031546446, 8165043585477110
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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
..1..0..2..1..1....0..1..1..0..0....1..0..0..2..1....1..2..1..0..0
..1..2..2..1..2....1..2..1..1..0....1..0..2..1..2....1..1..2..2..0
..1..1..2..0..1....1..1..2..1..1....0..0..2..1..1....2..0..2..1..2
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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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