login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A074435 Number of 6-ary Lyndon words of length n with trace 2 and subtrace 1 over Z_6. 21
0, 0, 3, 8, 42, 214, 1008, 5094, 29160, 169987, 952560, 5196096, 28304640, 155483424, 863910489, 4857268896, 27541503360, 156728297088, 892662156288, 5087915629975, 29045467518171, 166191833516125, 953325512487936, 5481559804635648, 31581437286776820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Same as the number of 6-ary Lyndon words of length n with trace 4 and subtrace 1 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, A074423, A074424, A074425, A074426, A074427, A074428, A074429, A074430, A074431, A074432, A074433, A074434, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A128322 A038048 A051763 * A039647 A071533 A000240

Adjacent sequences:  A074432 A074433 A074434 * A074436 A074437 A074438

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 30 09:24 EDT 2020. Contains 334723 sequences. (Running on oeis4.)