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Search: id:A151579
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| A151579 |
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Number of permutations of 1..n arranged in a circle with exactly 6 adjacent element pairs in decreasing order. |
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1
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| 0, 7, 960, 38637, 882340, 14413894, 188690976, 2112659718, 21078701112, 192648942945, 1644431982848
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