Fungrim entry: 1706bb

Symbol: BellNumber —

B_{n}

— Bell number

BellNumber(n), rendered as

B_{n}

, gives the

n

:th Bell number, counting the number of partitions of a set of size

n

References:

http://mathworld.wolfram.com/BellNumber.html
https://en.wikipedia.org/wiki/Bell_number
Sequence A000110 in Sloane's On-Line Encyclopedia of Integer Sequences (OEIS)

Definitions:

Fungrim symbol	Notation	Short description
`BellNumber`	$B_{n}$	Bell number
`SloaneA`	$\text{A00000X}\!\left(n\right)$	Sequence X in Sloane's OEIS

Source code for this entry:

Entry(ID("1706bb"),
    SymbolDefinition(BellNumber, BellNumber(n), "Bell number"),
    Description(SourceForm(BellNumber(n)), ", rendered as", BellNumber(n), ", gives the ", n, ":th Bell number, counting the number of partitions of a set of size", n, "."),
    References("http://mathworld.wolfram.com/BellNumber.html", "https://en.wikipedia.org/wiki/Bell_number", SloaneA("A000110")))

Topics using this entry

Bell numbers

Copyright (C) Fredrik Johansson and contributors. Fungrim is provided under the MIT license. The source code is on GitHub.

2021-03-15 19:12:00.328586 UTC