login
Number of binary codes of length 3 with n words.
65

%I #17 Dec 14 2023 05:58:23

%S 1,1,3,3,6,3,3,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

%N Number of binary codes of length 3 with n words.

%D H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219.

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

%Y Cf. A034189, A034190, A034191, A034192, A034193, A034194, A034195, A034196, A034197.

%Y A row of A039754.

%K nonn

%O 0,3

%A _N. J. A. Sloane_.