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Counting words without strictly increasing subwords of fixed length

Combinatorics 2025-11-18 v1 Mathematical Physics math.MP Probability

Abstract

In this paper, we derive exact formulas for generating functions counting the number of nn-ary words avoiding strictly increasing subwords of length kk, and provide some applications of these formulas.

Keywords

Cite

@article{arxiv.2511.13287,
  title  = {Counting words without strictly increasing subwords of fixed length},
  author = {Senan Sekhon},
  journal= {arXiv preprint arXiv:2511.13287},
  year   = {2025}
}

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17 pages