Finding position of specific permutation in alphabetically ordered list of permutations on elements {1,2, ... , k}
101719
Finding the n-th lexicographic permutation of a string
35648
How many permutations of the set n={1,2,3,3,3,4,4,5} are possible without any consecutive identical elements?
128627
Algorithm to find next greater permutation of a given string
100061
The Maximum possible order for an element $S_n$
3568
Fast way to get a position of combination (without repetitions)
12835
How to efficiently find positions of duplicates?
20636
Algorithm for finding numerical permutation given lexicographic index
58103
number of permutations in which no two consecutive numbers are adjacent
56327
How to find the square root of a permutation
142477
Closed-form expression for the number of $k$-permutations of length $n$. Duplicates allowed!
97908
Finding the no. of possible matrices given the order and limited no. of entries
43760
How to find the kth smallest element in the union of two sorted arrays?
122504
Factorisations of permutations
140630
Permutations in JavaScript?
40763
Possible orders of permutations of $11$ symbols
49912
Generating ordered combination of numbers
2029
Elements order in a "for (… in …)" loop