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A034237
Number of quaternary codes of length 6 with n words.
0
1, 1, 6, 57, 2309, 292103, 90647411, 37593032352, 16429342163157, 6925787777638463, 2729333815881686935, 995740669987430403414, 335945077218184962957540, 105067580130605231781256012
OFFSET
0,3
COMMENTS
a(4096)=1 is the last term. - Sean A. Irvine, Aug 08 2020
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: A180255 A371033 A034218 * A291628 A197543 A184708
KEYWORD
nonn,fini
AUTHOR
STATUS
approved