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A252118
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Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 6
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1
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41092, 1091710, 30699048, 845139814, 23117206344, 633958684608, 17408568411762, 477854088388692, 13112744813104416, 359859098814488430, 9876406203110032122, 271053452527870349598, 7438853002317194594032
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