On 3 and 9-regular cubic partitions

D. S. Gireesh, M. S. Mahadeva Naika, Shivashankar C

Let $a_3(n)$ and $a_9(n)$ are 3 and 9-regular cubic partitions of $n$. In this paper, we find the infinite family of congruences modulo powers of 3 for $a_3(n)$ and $a_9(n)$ such a…