A074424 Number of 6-ary Lyndon words of length n with trace 0 and subtrace 2 over Z_6.

0, 1, 2, 6, 36, 240, 1296, 6312, 31824, 165840, 883872, 4861056, 27433728, 155696585, 878719104, 4938274944, 27770211072, 156752183808, 889181991936, 5067822213734, 28987320651922, 166186204664832, 954240788994048, 5486884531697664, 31596861676172076

Offset

1,3

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, A074425, A074426, A074427, A074428, A074429, A074430, A074431, A074432, A074433, A074434, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A239889 A086325 A343581 * A002868 A002869 A293120

Adjacent sequences: A074421 A074422 A074423 * A074425 A074426 A074427

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