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A252602
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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 2 or 5
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1
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6709, 18454, 71730, 318274, 1547711, 7784629, 39981376, 208234989, 1092285060, 5754373518, 30374878110, 160469301012, 848397475346, 4487504454469, 23739361018235, 125592863117105, 664493298038144, 3515885783465887
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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
..2..2..2..2..2..2..2....2..2..0..1..2..0..1....2..2..0..2..2..2..2
..2..2..2..0..2..2..0....2..0..2..2..0..1..2....2..2..2..2..2..2..2
..2..0..2..2..2..2..2....0..1..2..0..1..2..0....2..0..2..2..2..2..0
..2..2..2..2..2..2..2....1..2..0..2..2..0..2....2..2..2..2..2..0..2
..2..2..0..2..2..0..2....2..0..1..2..0..2..2....0..2..2..2..0..2..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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