A034245 - OEIS

%I #9 Aug 09 2020 07:27:29

%S 0,32,63488,57796870,34630385050,16429342163157,6599430028972418,

%T 2313452894091782101,720645869857713416245,202076559902209394378051,

%U 51529848777831186353542335,12049404789895905037280543579

%N Number of quaternary codes (not necessarily linear) of length n with 8 words.

%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,more

%O 1,2

%A _N. J. A. Sloane_.

%E a(10)-a(12) from _Sean A. Irvine_, Aug 09 2020