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A183833
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Number of (n+1)X7 0..2 arrays with each element of every 2X2 subblock being the sum mod 3 of two others
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1
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39367, 1598975, 63219545, 2720843743, 113949885751, 4948592709925, 211222113324755, 9166454488125047, 393994701809791089, 17069756266936509875, 735796566828393571647, 31840766923896702379165
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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 3X7
..0..2..0..1..1..1..0....0..1..0..2..1..2..1....0..2..0..2..1..2..0
..2..1..1..2..0..2..1....2..2..1..1..2..0..1....2..1..2..1..0..1..2
..1..2..0..1..1..2..1....1..0..2..2..1..2..1....0..1..2..1..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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