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A010334
Maximal size of binary code of length n and asymmetric distance 4.
0
1, 1, 1, 2, 2, 2, 2, 4, 4, 6, 8, 12, 18
OFFSET
1,4
REFERENCES
T. Etzion, New lower bounds for asymmetric and unidirectional codes, IEEE Trans. Inform. Theory, 37 (1991), 1696-1705.
J. H. Weber, Bounds and Constructions for Binary Block Codes Correcting Asymmetric or Unidirectional Errors, Ph. D. Thesis, Tech. Univ. Delft, 1989.
J. H. Weber, C. de Vroedt and D. E. Boekee, Bounds and constructions for binary codes of length less than 24 and asymmetric distance less than 6, IEEE Trans. Inform. Theory, 34 (1988), 1321-1332.
CROSSREFS
Sequence in context: A355746 A239485 A237756 * A010578 A328583 A355537
KEYWORD
nonn
AUTHOR
EXTENSIONS
There is a typo at the n=6 term in the printed version of the paper.
STATUS
approved