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!)
A034219 Number of ternary codes of length 7 with n words. 1
1, 1, 7, 87, 3990, 545544, 131828470, 35754455353, 9300033719253, 2216652346764139, 480242932559153642, 94874768179629903791, 17193541252761002222476, 2876019980110265392778268 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Sean A. Irvine, Table of n, a(n) for n = 0..2187

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: A020556 A303061 A007803 * A034238 A132486 A297547

Adjacent sequences:  A034216 A034217 A034218 * A034220 A034221 A034222

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

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 August 6 00:36 EDT 2021. Contains 346493 sequences. (Running on oeis4.)