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A252319
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Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7
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1
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28883, 10448, 62915, 409636, 2670867, 17562749, 115183853, 755608304, 4967205339, 32613907484, 214022772184, 1405186468315, 9227158424185, 60580408168259, 397722666715602, 2611240940820069, 17144272724694280
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