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A253990
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Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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222400, 1738927, 20022358, 266574705, 3087530706, 36681094867, 455476058266, 5538766707221, 66868897093260, 812308062543539, 9847366103106772, 118942948531964411, 1436178214824110766, 17324233975744277560
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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=1
..0..1..0..0..1..0..1....0..1..0..0..1..1..1....0..0..1..0..1..0..1
..1..0..0..1..1..0..1....0..1..0..0..0..1..0....0..0..0..0..0..1..1
..0..0..1..1..0..0..1....0..1..0..0..1..1..0....0..1..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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