Bellszámok
Bellszámok, also known as bell numbers, are a sequence of natural numbers that count the number of ways to partition a set of n elements. They are named after the mathematician Eric Temple Bell, who studied their properties in the early 20th century. Bell numbers are denoted by B_n, where n is the number of elements in the set.
The sequence of bell numbers starts with B_0 = 1, B_1 = 1, B_2 = 2, B_3 = 5, B_4
Bell numbers have several interesting properties. For example, they are related to the Catalan numbers and
In summary, bell numbers are a sequence of natural numbers that count the number of ways to