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A034247
Number of quaternary codes (not necessarily linear) of length n with 10 words.
0
0, 23, 1930906, 36065804158, 360865277628727, 2729333815881686935, 17273734529317171068203, 95092594038536680078007672, 464647323565599860735629425620, 2042649271291756567720032041477070, 8162854734704367418254962293756751587
OFFSET
1,2
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: A156176 A013772 A320442 * A050234 A124993 A013818
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(10)-a(11) from Sean A. Irvine, Aug 09 2020
STATUS
approved