The 2 x n seating derangements

In this paper, we study the derangement of 2n persons sitting 2 rows and n columns. In how many ways can the $$2n$$ persons rearrange their seating in accordance with the following condition. Each seat is located by one person and reoccupied by another person and each person moves to a horizontal or...

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Bibliographic Details
Main Authors: Monrudee Sirivoravit, Utsanee Leerawat
Format: Article
Language:English
Published: Taylor & Francis Group 2018-01-01
Series:Cogent Mathematics & Statistics
Subjects:
Online Access:http://dx.doi.org/10.1080/25742558.2018.1492887