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A238179
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Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock equal
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1
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2918233, 2520461647, 1839517772097, 1415323543601575, 1074790095990669977, 819219418493608549119, 623815081258096395684729, 475145806308637114199428983, 361882122776558455831723569281
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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..0..1..2..0..0..1....0..0..2..0..2..1..0..2....0..0..2..0..2..1..2..2
..1..2..2..1..0..2..2..2....0..2..1..0..0..2..2..0....0..2..1..2..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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