OEIS_description: Get OEIS sequence description

In EnriquePH/OEIS.R: Data from the on-Line Encyclopedia of Integer Sequences in R

Get OEIS sequence description

Description

Sequence description gives a brief definition of the sequence. In the description, a(n) usually denotes the n-th term of the sequence, and n is a typical subscript. In some cases however n denotes a typical term in the sequence.

Usage

OEIS_description(x)

Arguments

x	Can be one of the following: A character string with sequence ID. A OEIS_internal S3 class object, with sequence internal format. A S3 classes object OEIS_xml and xml_document, with sequence content from OEIS web. An object of OEIS_sequence class, that contains all sequence related data.

Value

A string with the OEIS sequence description.

See Also

• OEIS_internal_format

• OEIS_sequence

• OEIS_xml

• OEIS_check

Examples

# Sequence description from ID
id <- "A000056"
OEIS_description(id)

# Alternate example using internal format
id <- "A003400"
internal_format <- OEIS_internal_format(id)
OEIS_description(internal_format)

# Sequence description from "OEIS_sequence" class
 id <- "A002315"
 seq <- OEIS_sequence(id)
 OEIS_description(seq)

EnriquePH/OEIS.R documentation built on March 15, 2023, 8:01 a.m.