Permutations
- Alternating Permutation
- André's Problem
- Arrangement
- Arrangement Number
- Associated Stirling Number of the First Kind
- Avoided Pattern
- Ball Picking
- Birthday Problem
- Bumping Algorithm
- Choose
- Circular Permutation
- Combination
- Combination Lock
- Contained Pattern
- Cyclic Permutation
- Derangement
- Derangement Number
- Euler Number
- Euler Zigzag Number
- Eulerian Number
- Even Permutation
- Factorial
- Garsia-Milne Involution Principle
- Golomb-Dickman Constant
- Graceful Permutation
- Immanant
- Inverse Permutation
- Inversion Number
- Inversion Poset
- Inversion Vector
- Juggling
- Langford's Problem
- Lexicographic Order
- Married Couples Problem
- Mousetrap
- Necklace
- Odd Permutation
- Partial Derangement
- Permutation
- Permutation Ascent
- Permutation Cycle
- Permutation Graph
- Permutation Group
- Permutation Index
- Permutation Inversion
- Permutation Involution
- Permutation Pattern
- Permutation Run
- Permutation Signature
- Permutation Symbol
- Pólya Polynomial
- Prime Circle
- Random Permutation
- Schensted Correspondence
- Secant Number
- Simon Newcomb's Problem
- Siteswap
- Stanley-Wilf Conjecture
- Stirling Cycle Number
- Stirling Number of the First Kind
- Subfactorial
- Symmetric Group
- Tangent Number
- Transposition
- Transposition Graph
- Transposition Group
- Transposition Order
- Wilf Class
- Wilf Equivalent
- Zag Number
- Zig Number