Saturday 6 October 2018

Closed form for series involving harmonic numbers

Is there a closed form for this series values:



$$
\sum_{k=1}^{\infty} (-1)^k\frac{H_k^{(n)}}{k}
$$



where



$$
H_k^{(n)}=\sum_{i=1}^k \frac{1}{i^n}

$$



and n is a positive integer.



Thanks!

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