Permutation with a condition
69827
Set conditions at a permutation
101719
Finding the n-th lexicographic permutation of a string
152333
A problem based on pigeonhole
5089
An element of a group has the same order as its inverse
38037
A problem with my reasoning in a problem about combinations
17268
Cycles in permutations of a given size
119292
How to generate all permutations of an array in sorted order?
156247
Question about permutations and cycles (Groups and Symmetries)
46999
How many fixed points in a permutation
107027
Number of combinations and permutations of letters
75804
Is this permutation-sum problem NP-complete?
85213
Problem with random permutation and conditional probability
93459
Number of permutations of unspecified length
14383
Order of Permutation : If $\tau \in S_n$ has order $m$, then $\sigma \tau\sigma^{-1}$ has also order $m$.
70967
Permutation with prime order, fixed point
48019
Explanation circular permutation
24212
proving how many permutations exist.