Series involving binomial coefficients and powers
51509
How to show that $1 \over \sqrt{1 - 4x} $ generates $\sum_{n=0}^\infty \binom{2n}{n}x^n $
115686
A finite summation of double binomial coefficients
70841
A simple series $\sum_{i=1}^\infty \frac{i}{2^i} = 2$
128608
Closed form for the series $a+a^p+(a^p)^p+\dots$
31721
Series with specific notation
67526
Double series over primes
42841
Convergence of series involving the prime numbers
61547
Derive an explicit formula for a power series $\sum_{n=1}^\infty n^2x^n$
47753
Closed form of series with factorial-squared denominator?
125148
Summation of series $\sum_{k=0}^\infty 2^k/\binom{2k+1}{k}$
45588
Summing a series with a changing power
59253
Summing the power series $\sum\limits_{n=0}^\infty (-1)^n \frac{x^{2n+1}}{2n+1}\prod\limits_{k=1}^n\frac{2k-1}{2k} $
113713
Closed formula for the sum of the following series
140221
Product of two power series
119143
Convergence of series with ^(n+1)
20945
On a series involving harmonic numbers
91239
Sum of binomial coefficients involving $n,p,q,r$