A034237 - OEIS

%I #10 Aug 09 2020 01:08:26

%S 1,1,6,57,2309,292103,90647411,37593032352,16429342163157,

%T 6925787777638463,2729333815881686935,995740669987430403414,

%U 335945077218184962957540,105067580130605231781256012

%N Number of quaternary codes of length 6 with n words.

%C a(4096)=1 is the last term. - _Sean A. Irvine_, Aug 08 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_.