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A251247
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Number of (n+1)X(6+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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2911869, 3975606801, 5423196612609, 7397658897202791, 10090935221593972941, 13764744150100667222985, 18776074467676820865893649, 25611879095826060637986004629, 34936394682728788460192115698193
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