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A263584
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Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order.
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1
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12, 1992, 145151, 14088801, 1544467524, 162168224979, 16879917679631, 1775863143870845, 187142165389625874, 19699623733009397058, 2073969553045375908402, 218412281827791643108849
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