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A034216 Number of ternary codes of length 4 with n words. 1


%S 1,1,4,20,144,1245,12473,120213,1067757,8508432,60801152,391078610,

%T 2277606189,12079172109,58646808981,261900799332,1080219903328,

%U 4129996450120,14683917874810,48687786994190,150930310833366

%N Number of ternary codes of length 4 with n words.

%H Sean A. Irvine, <a href="/A034216/b034216.txt">Table of n, a(n) for n = 0..81</a>

%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,full

%O 0,3

%A _N. J. A. Sloane_.

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Last modified October 25 16:19 EDT 2021. Contains 348255 sequences. (Running on oeis4.)