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A060439
Triangle T(n,k), 1 <= k <= n, giving maximal size of ternary code of length n and covering radius k.
4
1, 3, 1, 5, 3, 1, 9, 3, 3, 1, 27, 8, 3, 3, 1
OFFSET
1,2
COMMENTS
Next term, T(6,1), is in range 71-73. - Kamiel P.F. Verstraten, Jun 29 2015
REFERENCES
G. D. Cohen et al., Covering Codes, North-Holland, 1997, p. 174.
EXAMPLE
Triangle starts:
1;
3,1;
5,3,1;
9,3,3,1;
...
CROSSREFS
First column gives A004044. Cf. A060438, A060440.
Sequence in context: A350279 A142048 A117563 * A206283 A135224 A209578
KEYWORD
nonn,tabl,nice,more
AUTHOR
N. J. A. Sloane, Apr 07 2001
STATUS
approved