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A263516
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Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.
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1
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53, 2651, 158109, 9051857, 529329240, 30867389241, 1805523575884, 105637731091773, 6184312882582853, 362113871416827745, 21206150373034322027, 1241958953411618737140, 72739454531341002993626
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