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A252085
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Number of (n+2)X(5+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4
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1
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1591, 7089, 38374, 199064, 1034546, 5474209, 28883234, 152360177, 805901591, 4260742020, 22510973975, 118986810308, 629109658471, 3325846713536, 17580932671512, 92938880640092, 491326132742939, 2597415182172287
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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=4
..0..0..0..2..0..0..2....0..0..2..0..0..0..0....0..0..0..2..0..0..0
..2..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..2
..0..0..2..0..0..0..0....0..0..0..0..0..0..2....0..0..2..0..0..0..0
..0..0..0..0..0..2..0....2..0..0..2..0..0..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..2..0..0..0..2..0....0..0..0..0..0..0..2
..0..2..0..0..0..0..0....0..0..2..0..0..0..0....0..2..0..0..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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