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A211935
Number of distinct regular languages over 3-ary alphabet, whose minimum regular expression has alphabetic width n
0
2, 9, 150, 3232, 82614, 2332374
OFFSET
1,1
LINKS
Hermann Gruber, Jonathan Lee, and Jeffrey Shallit, Enumerating regular expressions and their languages, arXiv:1204.4982v1 [cs.FL]
CROSSREFS
Sequence in context: A174954 A193440 A117116 * A133468 A182948 A081459
KEYWORD
nonn
AUTHOR
Hermann Gruber, Apr 25 2012
STATUS
approved