pith. sign in

arxiv: math/0209255 · v1 · submitted 2002-09-19 · 🧮 math.CO

231-Avoiding Involutions and Fibonacci Numbers

classification 🧮 math.CO
keywords fibonacciinvolutionsnumbersavoidavoidingcombinatorialcontainenumerate
0
0 comments X
read the original abstract

We use combinatorial and generating function techniques to enumerate various sets of involutions which avoid 231 or contain 231 exactly once. Interestingly, many of these enumerations can be given in terms of $k$-generalized Fibonacci numbers.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.