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A034221
Number of ternary codes of length 9 with n words.
0
1, 1, 9, 179, 23750, 17404018, 30640203562, 69308975221311, 158348647910702036, 337705364634088701870, 658924882943438469999753, 1175202923618550525380785445, 1924770620147760792778941634653
OFFSET
0,3
COMMENTS
a(3^9)=1 is the last term. - Sean A. Irvine, Aug 07 2020
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: A220267 A304402 A358741 * A034240 A163132 A212704
KEYWORD
nonn,fini
AUTHOR
STATUS
approved