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A254484
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Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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512, 29952, 3912576, 1018596736, 615887502592, 871411470160000, 2791393651770044928, 20834584212281010642048, 359773454516444702380773120, 14455392568428580152969089843072, 1342532863362457191125034598691859456
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