Permutations of the word "arrangement" with restrictions (counting)
70044
Distinct permutations of the word "toffee"
41205
Help me solve a combinatorial problem
97314
Counting nearly-sorted permutations
101751
The number of words that can be made by permuting the letters of _MATHEMATICS_ is
107110
Solving Rubik's cube and other permutation puzzles
114752
Number of permutations of a specific cycle decomposition
133497
Group Membership Test for Permutations
36287
How to create all possible permutations?
73323
Permutations when some objects are alike
40763
Possible orders of permutations of $11$ symbols
147766
Sum of Permutations from 0 to n
65307
Simple combination/probability question based on string-length and possible-characters
131863
Permutation question on alphabets
96585
Sums and permutation
128627
Algorithm to find next greater permutation of a given string
98744
How to distinguish between permutation and combination questions?
1405
Arrangements of a,a,a,b,b,b,c,c,c in which no three consecutive letters are the same