A074432 Number of 6-ary Lyndon words of length n with trace 1 and subtrace 4 over Z_6.

0, 1, 3, 6, 25, 162, 1008, 5832, 33048, 180662, 952560, 5038848, 27433728, 153055008, 863910489, 4895520768, 27757515151, 157340548224, 892662156288, 5077997833419, 28988793435209, 166029537715200, 953325512487936, 5484237660094464, 31596861676172076

Offset

1,3

Comments

Same as the number of 6-ary Lyndon words of length n with trace 5 and subtrace 4 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, A074433, A074434, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A057730 A350752 A355967 * A212650 A297572 A137089

Adjacent sequences: A074429 A074430 A074431 * A074433 A074434 A074435

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