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A034235
Number of quaternary codes of length 4 with n words.
1
1, 1, 4, 20, 223, 3227, 77194, 2097080, 57796870, 1502295684, 36065804158, 795109767172, 16115614918786, 301341514055753, 5220182848555434, 84132279974374399
OFFSET
0,3
LINKS
H. Fripertinger, Isometry Classes of Codes
H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219.
CROSSREFS
Cf. A034188-.
Sequence in context: A066917 A280078 A032081 * A352412 A222655 A000847
KEYWORD
nonn,fini,full
STATUS
approved