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A252086
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Number of (n+2)X(6+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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3650, 19910, 132875, 846257, 5474209, 35987921, 235656844, 1544714826, 10150201969, 66639770473, 437387173890, 2872281321064, 18863676200386, 123871142611349, 813420551223553, 5341683597446143, 35078666125500642
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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=3
..0..0..2..0..0..0..0..0....2..2..2..1..2..2..2..2....2..0..0..0..0..0..2..0
..2..0..0..0..0..0..0..2....2..2..2..2..2..2..2..2....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....1..2..2..2..2..2..2..1....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..2..0....2..2..2..2..2..2..2..2....0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0....2..1..2..2..2..2..2..2....0..0..2..0..0..0..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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