A074430 Number of 6-ary Lyndon words of length n with trace 1 and subtrace 2 over Z_6.

0, 0, 3, 12, 36, 162, 1008, 6048, 33048, 176256, 940896, 5038848, 27433728, 152845056, 863910489, 4899999744, 27770211072, 157340548224, 892662156288, 5078255822436, 28988793435209, 166023914360832, 953309368018944, 5484237660094464, 31596861676172076

Offset

1,3

Comments

Same as the number of 6-ary Lyndon words of length n with trace 5 and subtrace 2 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 - A074445.

Sequence in context: A155714 A282022 A004661 * A064028 A326241 A110950

Adjacent sequences: A074427 A074428 A074429 * A074431 A074432 A074433

Keyword

easy,nonn,changed

Author

Frank Ruskey and Nate Kube, Aug 23 2002

Extensions

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

Status

approved