Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6424480 | Journal of Combinatorial Theory, Series A | 2012 | 5 Pages |
Abstract
Let R(n,k) denote the number of permutations of {1,2,â¦,n} with k alternating runs. In this paper we present an explicit formula for the numbers R(n,k).
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Shi-Mei Ma,