Similar to ランダムに配した点がなす直線

Noncrossing partition

Van der Waerden's theorem

Fisher–Yates shuffle

Simplicial complex

Hook length formula

Sieve theory

Brun sieve

Partition function (number theory)

Bell polynomials

Inclusion–exclusion principle

Pólya enumeration theorem

Generating function

Rising factorial

Borsuk–Ulam theorem

Matroid

Möbius function

Dividing a circle into areas

Motzkin number

Young tableau

Finite geometry

Josephus problem

Latin square

Ramanujan's congruences

Lehmer code

Rogers–Ramanujan identities