Closed form estimation for f(n) in the recursive formula $f(x+1)=f(x)+{1 \over f(x)}$
22077
Closed form for the sequence defined by $a_0=1$ and $a_{n+1} = a_n + a_n^{-1}$
23093
Proof of recursion formula for Stirling number of the second kind
23726
A closed form for $1^{2}-2^{2}+3^{2}-4^{2}+ \cdots + (-1)^{n-1}n^{2}$
39739
Fibonacci identity: $f_{n+1}f_{n-1} = f_n^2 + (-1)^n$
71220
Finding of $\hat{\theta}_{MLE}$ of $f(x; \theta) = (\theta + 1)x^\theta$
17604
What is a good asymptotic for $f_n = f_{n-1}+\ln(f_{n-1})$?
140462
Find a closed form for the power series $f_p(x)=\sum\limits_{n=0}^\infty\frac{n^p}{n!}x^n$
25984
Explicit solution of the recursion $x_n = x_{n-1}^2 - 2$ with $x_0>2$
5034
A closed form of $\int_0^1\frac{\ln\ln\left({1}/{x}\right)}{x^2-x+1}\mathrm dx$
116491
Closed form for $\sum_{k=0}^{m} {\binom {m}{k}} a^{k} (b+ck)^N$
39073
Proving that: $\forall n \in \mathbb{N} :|f^{(n)}(x)|\leq \frac{1}{n+1}$
146762
Closed form for $\sum_{k=0}^{n} \binom{n}{k}\frac{(-1)^k}{(k+1)^2}$
55742
Showing that $f_{2n+1}=f_{n+1}^2+f_n^2$.
156597
Proving a reduction formula for the antiderivative of $\cos^n(x)$
80440
Limit of $(x_n)$ with $0<x_1<1$ and $x_{n + 1} = x_n - x_n^{n + 1}$
115111
Limit of the sequence $nx_{n}$ where $x_{n+1} = \log (1 +x_{n})$
9587
If $f(t) = 1+ \frac{1}{2} +\frac{1}{3}+....+\frac{1}{t}$, find $\sum^n_{r=1} (2r+1)f(r)$ in terms of $f(n)$