Is there any standard procedure for solving sums of factorials of rational numbers? I would like to see how to solve $\sum_{k=1}^{\infty} \frac{1}{(k/2)!}$. According to Wolfram, this series converges and I would like to check it step by step. Thank you.
2026-04-02 23:23:24.1775172204
Calculating a series of a factorial of a rational number.
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