A074427 Number of 6-ary Lyndon words of length n with trace 0 and subtrace 5 over Z_6.

0, 1, 6, 18, 60, 240, 1008, 4908, 28080, 165840, 940896, 5174688, 28304640, 155696585, 865095552, 4861712448, 27554100480, 156752183808, 892662156288, 5087657135000, 29043991855542, 166186204664832, 953309368018944, 5481528861090816, 31581437286776820

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, A074424, A074425, A074426, A074428, A074429, A074430, A074431, A074432, A074433, A074434, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A223211 A334330 A144706 * A034751 A200151 A000623

Adjacent sequences: A074424 A074425 A074426 * A074428 A074429 A074430

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