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A060438
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Triangle T(n,k), 1 <= k <= n, giving maximal size of binary code of length n and covering radius k.
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4
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1, 2, 1, 2, 2, 1, 4, 2, 2, 1, 7, 2, 2, 2, 1, 12, 4, 2, 2, 2, 1, 16, 7, 2, 2, 2, 2, 1, 32, 12, 4, 2, 2, 2, 2, 1
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| G. D. Cohen et al., Covering Codes, North-Holland, 1997, p. 166.
W. Haas, Binary and ternary codes of covering radius one ..., Discrete Math., 245 (2002), 161-178.
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LINKS
| Index entries for sequences related to covering codes
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EXAMPLE
| 1; 2,1; 2,2,1; 4,2,2,1; 7,2,2,2,1; ...
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CROSSREFS
| Columns give A000983, A029866. Cf. A060439, A060440.
Sequence in context: A177954 A077053 A105272 * A106190 A029290 A115311
Adjacent sequences: A060435 A060436 A060437 * A060439 A060440 A060441
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KEYWORD
| nonn,tabl,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Apr 07 2001
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EXTENSIONS
| Next term, T(9,1), is in range 55-62.
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