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A034214 Number of ternary codes of length 2 with n words. 0
1, 1, 2, 4, 5, 5, 4, 2, 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, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
REFERENCES
H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219.
LINKS
Table of n, a(n) for n=0..83.
H. Fripertinger, Isometry Classes of Codes
CROSSREFS
Cf. A034188-.
Sequence in context: A274079 A296372 A278300 * A317749 A253415 A227401
Adjacent sequences: A034211 A034212 A034213 * A034215 A034216 A034217
KEYWORD
nonn
AUTHOR
N. J. A. Sloane.
STATUS
approved

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Last modified August 30 15:13 EDT 2024. Contains 375545 sequences. (Running on oeis4.)