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Aug 4, 2023 at 7:43 comment added Martin Rubey So, for $k | n$, we have that $[z^{k-1}] R(n-1, 0, z)$ is the number of permutations of cycle type $(n/k, \dots, n/k)$.
Aug 3, 2023 at 17:48 history asked Notamathematician CC BY-SA 4.0