A054666 - OEIS

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A054666

Number of 6-ary Lyndon words with trace 1 mod 6.

2

1, 3, 12, 54, 259, 1296, 6665, 34992, 186624, 1007769, 5496925, 30233088, 167444795, 932906715, 5224277604, 29386561536, 165947641615, 940369969152, 5345260877285, 30467987000514, 174102782860140, 997134120017175

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Also number of 6-ary Lyndon words with trace 5 mod 6.

LINKS

Table of n, a(n) for n=1..22.

F. Ruskey, Number of q-ary Lyndon words with given trace mod q

CROSSREFS

Cf. A000048, A051841, A046211, A046209, A054660, etc.

Sequence in context: A366118 A362597 A125188 * A006026 A158826 A107264

Adjacent sequences: A054663 A054664 A054665 * A054667 A054668 A054669

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Apr 18 2000

EXTENSIONS

More terms from James A. Sellers, Apr 19 2000

STATUS

approved