Permutations

permutations(List | Vector | Range)

permutations(Integer)

Given a list, vector or range with the elements of a set, returns a list with all the permutations given in lexicographical order.

Given an integer $n$, returns the number of permutations of a set with $n$ elements, that is $n!$.

Permutations with repetitions, Combinations, Combinations with repetition