Special series multiplication
73002
For $n \geq 2$, prove that $(1- \frac{1}{4})(1- \frac{1}{9})(1- \frac{1}{16})...(1- \frac{1}{n^2}) = \frac{n+1}{2n}$
76387
Evaluate the series $\sum_{n=1}^{\infty} \frac{2^{[\sqrt{n}]}+2^{-[\sqrt{n}]}}{2^n}$
67180
Manipulating infinite series
26908
Partial Sums of Geometric Series
36674
Summation of series $\sum_{n=1}^\infty \frac{n^a}{b^n}$?
151189
calculate the sum of an infinite series
37771
Sum of a power series $n x^n$
50812
Partial sum of the series $\sum\limits_{r=1}^{\infty} \frac{1}{r(r+1)}$
61578
The proper way to write the input for a certain series
93663
Any Info on Generalized Binomial and Exponential Series?
65249
An interesting exercise about converging positive series, involving $\sum_{n\geq 1}a_n^{\frac{n-1}{n}}$
122519
Multiplicative Functions
9943
Series of sequence with terms over series.
145322
Sum of a Hyper-geometric series. (NBHM 2011)
151477
computing the series $\sum_{n=1}^\infty \frac{1}{n^2 2^n}$
101011
An intriguing relation between two alternating series
70841
A simple series $\sum_{i=1}^\infty \frac{i}{2^i} = 2$