A211937 - OEIS

This site is supported by donations to The OEIS Foundation.

A211937

Number of distinct regular languages over 4-ary alphabet, whose minimum regular expression has alphabetic width n

2, 12, 288, 9312, 357911 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..5.` `Hermann Gruber, Jonathan Lee, and Jeffrey Shallit, Enumerating regular expressions and their languages, arXiv:1204.4982v1 [cs.FL]`
	CROSSREFS	`Sequence in context: A012754 A083568 A003121 * A176037 A057170 A200564` `Adjacent sequences: A211934 A211935 A211936 * A211938 A211939 A211940`
	KEYWORD	`nonn`
	AUTHOR	`Hermann Gruber, Apr 25 2012`
	STATUS	`approved`

Last modified July 17 08:42 EDT 2019. Contains 325098 sequences. (Running on oeis4.)