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A294437
Erroneous version of A007290.
0
0, 2, 8, 20, 40, 30, 27
OFFSET
1,2
COMMENTS
Included in accordance with OEIS policy of including erroneous but published sequences to serve as pointers to the correct versions.
Original name: Number of conjugacy classes of primitive words of length 3 over an alphabet of size n.
LINKS
Dominique Perrin and Christophe Reutenauer, Hall sets, Lazard sets and comma-free codes, arXiv preprint arXiv:1609.05438 [math.CO] (2016).
Dominique Perrin and Christophe Reutenauer, Hall sets, Lazard sets and comma-free codes, Discrete Math., 341 (2018), 232-243.
Dominique Perrin and Christophe Reutenauer, Hall sets, Lazard sets and comma-free codes, Discrete Math., 341 (2018), 232-243. [Annotated scanned copy of page 236 only.]
CROSSREFS
Sequence in context: A294869 A305129 A032633 * A128445 A007290 A049031
KEYWORD
dead
STATUS
approved