How to obtain a closed form for summation over polynomial ($\sum_{x=1}^n x^m$)?
92235
Explicit formula for Bernoulli numbers by using only the recurrence relation
128608
Closed form for the series $a+a^p+(a^p)^p+\dots$
58972
Proof/Derivation of Closed form of Binomial Expression $\sum\limits_{k=0}^{2n}(-1)^k\binom{2n}{k}^2$
114911
Evaluate $\sum_{k = 0}^{n} {n\choose k} k^m$
123507
How to find the closed form of multiplications of exponentials?
69084
What is the closed form for $\sum_{n=1}^\infty \frac1n - \frac1{n+1/p}$?
38741
Finding a general formula for summation
78632
Summation equation for $2^{x-1}$
101045
Is there a closed form for the integral $\int_0^1 x^n \log^m (1-x) \, {\rm d}x$?
24000
Roots of Sum of Two Polynomials (with Known Roots)
129801
Finding a closed form for $\sum^{n}_{k=1} \frac{k}{(k+1)!} $
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} $
126940
Converting expressions to polynomial form
61547
Derive an explicit formula for a power series $\sum_{n=1}^\infty n^2x^n$
113016
Remainder form of Taylor polynomial at $x_0$: $ \frac{1}{n!}f^{(n)}(x_0 +\theta(x-x_0))(x-x_0)^n$ with $\theta \to \frac{1}{n+1}$ as $ x \to x_0$
123955
How to compute $\sum\limits_{k=0}^n (-1)^k{2n-k\choose k}$?
124229
Simplify $\sum_{k=0}^{\infty} x^ky^{\frac{k(k+1)}{2}}$