A054667 Number of 6-ary Lyndon words with trace 2 mod 6.

1, 2, 12, 51, 259, 1284, 6665, 34938, 186624, 1007510, 5496925, 30231792, 167444795, 932900050, 5224277604, 29386526544, 165947641615, 940369782528, 5345260877285, 30467985992745, 174102782860140, 997134114520250

Offset

1,2

Comments

Also number of 6-ary Lyndon words with trace 4 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: A198008 A359523 A323851 * A009537 A057547 A216648

Adjacent sequences: A054664 A054665 A054666 * A054668 A054669 A054670

Keyword

nonn,easy

Author

N. J. A. Sloane, Apr 18 2000

Extensions

More terms from James A. Sellers, Apr 19 2000

Status

approved