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A254475
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Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically
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0
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512, 11293, 211579, 2539310, 24234594, 205535751, 1553637600, 8600345305, 55445966383, 490042680771, 2850234052306, 20174333834904
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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
..0..0..1..0....0..1..0..0....0..1..0..0....0..0..1..0....0..0..0..0
..1..1..1..0....1..0..0..1....0..0..0..1....1..1..1..0....0..0..0..1
..1..0..0..1....1..0..1..0....0..0..0..0....1..1..1..1....1..0..0..0
..0..1..1..1....0..0..0..0....1..1..1..1....0..1..1..1....1..1..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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