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The Number of Threshold Words on $n$ Letters Grows Exponentially for Every $n\geq 27$. (arXiv:1911.05779v1 [math.CO]) http://arxiv.org/abs/1911.05779
The Number of Threshold Words on $n$ Letters Grows Exponentially for Every $n\geq 27$. (arXiv:1911.05779v1 [math.CO]) http://arxiv.org/abs/1911.05779