login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A034216 Number of ternary codes of length 4 with n words. 1
1, 1, 4, 20, 144, 1245, 12473, 120213, 1067757, 8508432, 60801152, 391078610, 2277606189, 12079172109, 58646808981, 261900799332, 1080219903328, 4129996450120, 14683917874810, 48687786994190, 150930310833366 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
H. Fripertinger, Isometry Classes of Codes
H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219.
CROSSREFS
Cf. A034188-.
Sequence in context: A098541 A004204 A160567 * A144009 A301270 A366183
KEYWORD
nonn,fini,full
AUTHOR
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 24 17:34 EDT 2024. Contains 374585 sequences. (Running on oeis4.)