Finding a general way to sum $ \sum_{i=1}^{i=n} i^k$ for a given 'k' using elementary highschool calculus
35525
Methods to compute $\sum_{k=1}^nk^p$ without Faulhaber's formula
14197
show that $\sum_{i=0}^l \dfrac{{l\choose i}}{{n\choose k + i}} = \dfrac{n+1}{(n-l+1) {n-l\choose k}}$
151179
Finding the value of $\sum k/3^k$
134311
How to determine equation for $\sum_{k=1}^n k^3$
63474
Showing $\sum_{i = 1}^n\frac1{i(i+1)} = 1-\frac1{n+1}$ without induction?
137249
find $\sum_{k=2}^{\infty}\frac{1}{k^2-1}$
142303
Alternating sum of binomial coefficients multiplied by (1/k+1)
64581
How to find the sum $\sum\limits_{k=1}^n (k^2+k+1)k!$?
15100
Proving the identity $\sum_{k=1}^n {k^3} = \big(\sum_{k=1}^n k\big)^2$ without induction
30518
Formula for $\sum_{k=1}^n \frac{1}{k(k+1)(k+2)}$?
114414
Sum of $\sum_{k=1}^n\sin{k\theta}$
68848
How to simplify $\sum_{k=1}^nk\cdot k!$
7302
$\sum k! = 1! +2! +3! + \cdots + n!$ ,is there a generic formula for this?
127150
Finding general formula of $\sum_{i=0}^n i^2 \binom{n}{i}$
134610
Find the sum of finite series $S=\sum_{k=1}^{2015}{(-1)^{\frac{k(k+1)}{2}}}k$
102942
Compute the sum $\sum_{k=1}^{\infty}k^mz^k$ where $|z|<1$
39909
Getting a closed form from $\sum_{i=1}^{n-1} \sum_{j=i+1}^{n} \sum_{k=1}^{j} 1$