Title of article
Counting occurrences of 231 in an involution Original Research Article
Author/Authors
Toufik Mansour، نويسنده , , Sherry H.F. Yan، نويسنده , , Laura L.M. Yang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
9
From page
564
To page
572
Abstract
We study the generating function for the number of involutions on n letters containing exactly image occurrences of 231. It is shown that finding this function for a given r amounts to a routine check of all involutions of length at most image.
Keywords
Restricted permutations , Generating functions , Restricted involutions
Journal title
Discrete Mathematics
Serial Year
2006
Journal title
Discrete Mathematics
Record number
948210
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