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The $(l,r)$-Stirling numbers: a combinatorial approach. (arXiv:2101.11039v1 [math.CO]) http://arxiv.org/abs/2101.11039
The $(l,r)$-Stirling numbers: a combinatorial approach. (arXiv:2101.11039v1 [math.CO]) http://arxiv.org/abs/2101.11039