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A251246
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Number of (n+1)X(5+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements
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1
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351891, 173028393, 85032883789, 41786532918513, 20534495636679387, 10090935221593972941, 4958824382557190011939, 2436834428903758977300429, 1197493907250619474216993239, 588464952033721324797933672285
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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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FORMULA
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Empirical recurrence of order 51 (see link above)
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EXAMPLE
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Some solutions for n=1
..0..2..2..0..0..1....1..0..0..0..2..1....1..2..1..0..2..1....0..1..1..0..1..1
..0..2..2..0..2..2....2..2..1..2..2..2....1..2..2..0..2..1....0..0..2..0..1..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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