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A185841
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Number of (n+1)X6 0..2 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace
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1
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12609, 2506851, 254648349, 29306445165, 3293066139075, 373447226493477, 42234121752791535, 4780252449901079883, 540916812735057941751, 61212736629353668954095, 6926987609291166804461061
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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 3X6
..1..0..0..2..1..0....2..2..2..0..0..2....0..1..1..1..1..2....1..1..1..2..0..2
..0..0..0..0..1..2....0..0..0..0..1..2....0..0..0..0..0..0....0..0..1..1..1..2
..0..1..0..0..0..2....0..1..1..1..1..1....0..0..2..2..2..1....0..1..2..2..2..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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