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A256763
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Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum
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1
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352, 14641, 475904, 16777216, 372556800, 7780827681, 117202871808, 1607509551376, 18188873230624, 185599234557361, 1717824808451648, 14261419187961856, 114631549276294144, 822273125910687361
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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=2
..1..1..1..1....1..1..0..1....1..1..0..1....0..1..0..1....1..0..1..0
..1..1..1..0....1..1..0..1....1..0..1..1....1..0..0..0....1..0..1..0
..1..0..1..1....0..0..0..1....0..1..0..1....1..0..1..0....0..0..1..1
..1..1..1..1....0..1..1..1....1..0..1..1....1..0..0..1....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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