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A252625
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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 1 3 6 or 8
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1
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81098, 585774, 8098018, 118551272, 1793890764, 27201457322, 412945739530, 6275667755428, 95419825718602, 1450304432983900, 22045371288141516, 335110120307976884, 5094055063152273398, 77434509354310263684
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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
..2..0..2..0..0....3..3..3..1..1....2..2..0..0..2....2..2..1..1..2
..1..1..3..0..2....3..1..1..3..3....3..2..0..2..2....2..0..2..3..0
..2..1..2..2..0....1..3..3..1..3....2..0..0..0..0....3..2..2..0..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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