Is there a known evaluation of $\sum_{k=1}^{\infty} \frac{1}{k^k}$?
12423
"Closed" form for $\sum \frac{1}{n^n}$
116723
Evaluating the sum $\sum_{n=1}^{\infty}\dfrac{(-1)^{n}}{n^{2}}$
27224
Infinite series $\sum_{k=1}^\infty \frac{k}{2^k}$ and $\sum_{k=1}^\infty \frac{k^2}{2^k}$
17713
What's the value of $\sum\limits_{k=1}^{\infty}\frac{k^2}{k!}$?
125915
An Infinite Double Summation $\sum_{k=1}^{\infty} \sum_{n=1}^{\infty} \frac{1}{n^2k^2(n+k)^2}$?
74117
Find the sum of series $\sum_{n=0}^{\infty}\frac{z^{kn}}{(kn)!}$
146651
Evaluting sum $\sum \limits_{n=0}^\infty\frac{n^k}{n!}$
153226
Proof of $\sum_{k = 1}^{n} \frac{1}{k^{2}} < 2 - \frac{1}{n}$
102581
Does $\sum_{n=1}^{\infty} \frac{1}{n^{1 + 1/n}}$ converge?
326
Find $\sum_{k=1}^{\infty}\frac{1}{2^{k+1}-1}$
30895
Compute the sum of the series $\sum_{n=1}^{\infty} \frac{1}{n \cdot 2^n}$
52278
How to solve $\sum_{k=2}^\infty {\frac{1}{k^2-1}}$
70841
A simple series $\sum_{i=1}^\infty \frac{i}{2^i} = 2$
150148
Sum of $\sum^\infty_{n=2} \frac{1}{\ln{(n!)}}$
117863
Series $\sum_{n=1}^\infty \frac{n^n}{(n!)^2}$
47572
Evaluate $ \sum_{n=1}^{\infty} \frac{\sin \ n}{ n } $ using the fourier series
24033
Infinite Series $\sum\limits_{k=1}^{\infty}\frac{k^n}{k!}$