English

The sigma-sequence and counting occurrences of some patterns, subsequences and subwords

Combinatorics 2007-05-23 v1

Abstract

We consider sigma-words, which are words used by Evdokimov in the construction of the sigma-sequence. We then find the number of occurrences of certain patterns and subwords in these words.

Keywords

Cite

@article{arxiv.math/0211260,
  title  = {The sigma-sequence and counting occurrences of some patterns, subsequences and subwords},
  author = {Sergey Kitaev},
  journal= {arXiv preprint arXiv:math/0211260},
  year   = {2007}
}

Comments

10 pages

R2 v1 2026-07-22T16:49:28.355Z