Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A094538
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A094538 Number of ternary words of length n that are not "bifix-free". +0
2
0, 0, 3, 9, 33, 99, 315, 945, 2883, 8649, 26091, 78273, 235233, 705699, 2118339, 6355017, 19068729, 57206187, 171629595, 514888785, 1544699313, 4634097939, 13902392691, 41707178073, 125121830427, 375365491281 (list; graph; listen)
OFFSET

0,3
FORMULA

Equals 3^n - A019308(n).

CROSSREFS

See A019308 and A003000 for much more information. Cf. A094539.

Sequence in context: A129416 A009356 A058138 this_sequence A037129 A047117 A082841

Adjacent sequences: A094535 A094536 A094537 this_sequence A094539 A094540 A094541

KEYWORD

nonn,easy

AUTHOR

njas, Jun 06 2004

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

AT&T Labs Research

Legal Notice
© 2007 AT&T Knowledge Ventures. All Rights Reserved.