Finding the summation of the series.
41840
How do I evaluate this sum(involving the floor function)?
76387
Evaluate the series $\sum_{n=1}^{\infty} \frac{2^{[\sqrt{n}]}+2^{-[\sqrt{n}]}}{2^n}$
92754
Closed form for the series: $\sum_{n=1}^{\infty}x^{n^2}$
38741
Finding a general formula for summation
70841
A simple series $\sum_{i=1}^\infty \frac{i}{2^i} = 2$
87976
How to solve these series?
130083
Evaluating sum of a combination series
113713
Closed formula for the sum of the following series
107433
Prove the sum to n terms of the series
151189
calculate the sum of an infinite series
6838
Evaluate the series $S_n = \sum_{k=1}^n\log\frac {k (k + 2)}{(k + 1)^2}$
112036
sum of series $\frac{n}{1\cdot 2 \cdot 3}+\frac{n-1}{2\cdot 3\cdot 4}+\frac{n-2}{3\cdot 4 \cdot 5}+\cdots \cdots n$ terms
120988
Infinite Series $\sum 1/(n(n+1))$
97315
Assuming convergence of the following series, find the value of $\sqrt{6+\sqrt{6+\sqrt{6+...}}}$
91458
Sum of the series $\binom{n}{0}-\binom{n-1}{1}+\binom{n-2}{2}-\binom{n-3}{3}+..........$
155250
Summation Series for fractions
22636
Find the sum of the series $\sum \limits_{n=1}^{\infty} \frac{2^{-n}(n+3)}{(n+1)(n+2)}$