A074437 Number of 6-ary Lyndon words of length n with trace 2 and subtrace 3 over Z_6.

0, 1, 3, 13, 60, 214, 900, 4908, 29160, 167928, 940896, 5196096, 28421280, 155696585, 863910489, 4859490672, 27554100480, 156728297088, 892526107392, 5087657135000, 29045467518171, 166189019079168, 953309368018944, 5481559804635648, 31581615565250142

Offset

1,3

Comments

Same as the number of 6-ary Lyndon words of length n with trace 4 and subtrace 3 over Z_6.

Links

Table of n, a(n) for n=1..25.

Max Alekseyev, PARI/GP scripts for miscellaneous math problems

F. Ruskey 6-ary Lyndon words with given trace and subtrace

Crossrefs

Cf. A074422, A074423, A074424, A074425, A074426, A074427, A074428, A074429, A074430, A074431, A074432, A074433, A074434, A074435, A074436, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A145942 A331517 A340411 * A026578 A362596 A199641

Adjacent sequences: A074434 A074435 A074436 * A074438 A074439 A074440

Keyword

easy,nonn

Author

Frank Ruskey and Nate Kube, Aug 23 2002

Extensions

Terms a(11) onwards from Max Alekseyev, Feb 20 2010

Status

approved