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A236154
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Number of (n+1)X(7+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock
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1
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1520856, 28462080, 1072589616, 44844204096, 1913809658142, 82158187025508, 3534532876367268, 151919794626069744, 6538121814454288884, 281016576236688357924, 12094282814702922198528, 519823104954600525226080
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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..0..2..1..0..1..1..0....0..0..1..2..0..1..2..2....0..0..1..1..2..2..0..1
..1..0..1..2..0..1..1..1....0..0..2..1..1..1..2..0....0..2..1..0..2..0..1..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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