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A034239 Number of quaternary codes of length 8 with n words. 0

%I #9 Aug 09 2020 01:08:12

%S 1,1,8,127,16674,16388502,59893592245,349607878149545,

%T 2313452894091782101,15234448027502727073180,

%U 95092594038536680078007672,553092980828190394446335839530

%N Number of quaternary codes of length 8 with n words.

%C a(4^8)=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_.

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Last modified March 29 02:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)