A074441 Number of 6-ary Lyndon words of length n with trace 3 and subtrace 1 over Z_6.

0, 0, 0, 6, 60, 300, 1296, 6048, 30240, 159408, 883872, 5018112, 28304640, 157697280, 876311654, 4895520768, 27554100480, 156139902720, 889181991936, 5078255822436, 29046943180800, 166354131141818, 954240788994048, 5484206701412352, 31581437286776820

Offset

1,4

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, A074440, A074442, A074443, A074444, A074445.

Sequence in context: A256442 A296317 A292061 * A006741 A120573 A260345

Adjacent sequences: A074438 A074439 A074440 * A074442 A074443 A074444

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