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A252589
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Number of (n+2)X(3+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 1 2 7 8 or 9
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1
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1741670, 78789896, 4406719658, 235079475068, 12835989195484, 705096840963142, 38682686932875858, 2122089819642263208, 116438754993629930084, 6389129401993359332400, 350573571351063441207832
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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
..1..1..2..2..0....1..1..2..1..2....1..2..2..2..1....0..2..1..2..0
..1..2..1..2..2....1..2..2..1..1....1..2..2..2..0....1..2..2..2..1
..1..2..1..1..1....1..2..1..3..0....1..2..2..0..2....2..2..1..1..3
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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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