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Generating functions and congruences for 9-regular and 27-regular partitions in 3 colours
Abstract : Let $b_{\ell;3}(n)$ denote the number of $\ell$-regular partitions of $n$ in 3 colours. In this paper, we find some general generating functions and new infinite families of congruences modulo arbitrary powers of $3$ when $\ell\in\{9,27\}$. For instance, for positive integers $n$ and $k$, we have
\begin{align*}
b_{9;3}\left(3^k\cdot n+3^k-1\right)&\equiv0~\left(\mathrm{mod}~3^{2k}\right),\\
b_{27;3}\left(3^{2k+3}\cdot n+\dfrac{3^{2k+4}-13}{4}\right)&\equiv0~\left(\mathrm{mod}~3^{2k+5}\right).
\end{align*}
https://hal.archives-ouvertes.fr/hal-03498213
Contributor : Srinivas Kotyada Connect in order to contact the contributor
Submitted on : Monday, December 20, 2021 - 10:11:28 PM
Last modification on : Monday, March 28, 2022 - 8:14:08 AM
Contributor : Srinivas Kotyada Connect in order to contact the contributor
Submitted on : Monday, December 20, 2021 - 10:11:28 PM
Last modification on : Monday, March 28, 2022 - 8:14:08 AM
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