A074440 Number of 6-ary Lyndon words of length n with trace 3 and subtrace 0 over Z_6.

1, 1, 3, 9, 25, 126, 900, 5832, 33045, 178459, 952560, 5080293, 27546779, 153055008, 863910327, 4897760256, 27757515151, 157292585046, 892526107392, 5077997833419, 28988793431460, 166026726038016, 953325512487936, 5484299577441192, 31597040041716690

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

Sequence in context: A351891 A178061 A120284 * A006204 A013572 A119851

Adjacent sequences: A074437 A074438 A074439 * A074441 A074442 A074443

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