A034221 - OEIS

%I #10 Aug 08 2020 01:29:28

%S 1,1,9,179,23750,17404018,30640203562,69308975221311,

%T 158348647910702036,337705364634088701870,658924882943438469999753,

%U 1175202923618550525380785445,1924770620147760792778941634653

%N Number of ternary codes of length 9 with n words.

%C a(3^9)=1 is the last term. - _Sean A. Irvine_, Aug 07 2020

%H H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a>

%H H. Fripertinger, <a href="https://doi.org/10.1023/A:1008248618779">Enumeration, construction and random generation of block codes</a>, Designs, Codes, Crypt., 14 (1998), 213-219.

%Y Cf. A034188-.

%K nonn,fini

%O 0,3

%A _N. J. A. Sloane_.