A series specifying factorial
91933
Evaluate $\sum_{k=1}^nk\cdot k!$
150355
Finding sum of binomial series
86194
Infinite series with the binomial coefficient
135218
Closed Form for Factorial Sum
34374
Simplifying factorials: $\frac{(n-1)!}{(n-2)!}$
128608
Closed form for the series $a+a^p+(a^p)^p+\dots$
119143
Convergence of series with ^(n+1)
48446
Summation involving a factorial: $1 + \sum_{j=1}^{n} j!j$
139411
Finding $\pi$ factorial
122236
How to compute the series: $\sum_{n=0}^{\infty} (-1)^{n-1}\binom{1/2}{n}$
65249
An interesting exercise about converging positive series, involving $\sum_{n\geq 1}a_n^{\frac{n-1}{n}}$
156960
Series with denominator that is square of product of consecutive numbers
29609
Limits involving factorials $\lim_{N\to\infty} \frac{N!}{(N-k)!N^{k}}$
31721
Series with specific notation
61578
The proper way to write the input for a certain series
107686
Proof that the gamma function is an extension of the factorial function
155367
summation of multiplying series with negative terms