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!)
A034220 Number of ternary codes of length 8 with n words. 0
1, 1, 8, 127, 10045, 3226809, 2123742189, 1670170058120, 1289964348650070, 920838234258938763, 599346797545763804780, 356146243319205483449324, 194251772536685406037980410, 97833621781412430001564385695 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

a(3^8)=1 is the last term. - Sean A. Irvine, Aug 07 2020

LINKS

Table of n, a(n) for n=0..13.

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: A001081 A178790 A297214 * A034239 A171755 A338808

Adjacent sequences:  A034217 A034218 A034219 * A034221 A034222 A034223

KEYWORD

nonn,fini

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 June 24 06:17 EDT 2021. Contains 345416 sequences. (Running on oeis4.)