Probability of a set permutation without matching contiguous pairs
58749
Choose K items from N in a circle
98435
Probability that a triangle can be formed from a permutation of three edges of random length
126025
Computing the inverse of a permutation
153721
Conjugating a permutation
96585
Sums and permutation
69748
Semi-Ambiguous Combinatorics Problem
130614
Permutations on word $MISSISSIPPI$.
158580
Permutation count of AABBC
101719
Finding the n-th lexicographic permutation of a string
155372
Find the number of permutations in $S_n$ containing fixed elements in one cycle
114752
Number of permutations of a specific cycle decomposition
153072
Guessing a subset of $\{1,...,N\}$
61324
Finding the "square root" of a permutation
83837
Odd/Even Permutations
48119
Probability of finding a particular sequence of base pairs
47240
An alternate solution to the hat-matching problem, probability of exactly $k$ matches
60416
Finding a permutation, and number of, from powers of the permutation