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arXiv:1907.10725 [math.CO]AbstractReferencesReviewsResources

Some relatives of the Catalan sequence

Elżbieta Liszewska, Wojciech Młotkowski

Published 2019-07-24Version 1

We study a family of sequences $c_n(a_2,\ldots,a_r)$, where $r\ge2$ and $a_2,\ldots,a_r$ are real parameters. We find a sufficient condition for positive definiteness of the sequence $c_n(a_2,\ldots,a_r)$ and check several examples from OEIS. We also study relations of these sequences with the free and monotonic convolution.

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