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A253812
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Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally and vertically
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0
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512, 12992, 214596, 1713952, 20991976, 250052478, 1124641848, 5696013500, 59724420234, 668675350006, 2474515112828
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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..1....1..0..1..0....1..0..0..1....0..1..1..1....0..1..1..0
..1..1..1..0....0..0..0..0....1..0..1..0....0..1..1..1....0..1..0..0
..1..0..0..1....0..1..0..1....1..1..0..1....1..1..1..0....0..0..1..0
..0..1..1..1....0..0..0..1....1..0..0..1....0..0..1..0....1..0..1..1
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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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