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Journal of Analysis & Number Theory
An International Journal
               
 
 
 
 
 
 
 
 
 
 

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Volumes > Vol. 5 > No. 1

 
   

A Wilf Class Composed of 7 Symmetry Classes of Triples of 4-Letter Patterns

PP: 19-26
doi:10.18576/jant/050104
Author(s)
David Callan, Toufik Mansour,
Abstract
In this paper, we make a contribution to the enumeration of permutations avoiding a triple of 4-letter patterns by establishing a Wilf class composed of 7 symmetry classes.

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