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Fungrim entry: 1706bb

Symbol: BellNumber BnB_{n} Bell number
BellNumber(n), rendered as BnB_{n}, gives the nn :th Bell number, counting the number of partitions of a set of size nn.
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
BellNumberBnB_{n} Bell number
SloaneAA00000X ⁣(n)\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")))

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2019-11-11 15:50:15.016492 UTC