On the Number of Conjugate Classes of Derangements

The number of conjugate classes of derangements of order n is the same as the number hn of the restricted partitions with every portion greater than 1. It is also equal to the number of isotopy classes of 2×n Latin rectangles. Sometimes the exact value is necessary, while sometimes we need the appro...

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Bibliographic Details
Main Authors: Wen-Wei Li, Zhong-Lin Cheng, Jia-Bao Liu
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Journal of Mathematics
Online Access:http://dx.doi.org/10.1155/2021/6023081
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