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A010578 Maximal size of binary code of length n correcting 3 unidirectional errors. 0
1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 7, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

REFERENCES

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.

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Sequence in context: A239485 A237756 A010334 * A240674 A005866 A125584

Adjacent sequences:  A010575 A010576 A010577 * A010579 A010580 A010581

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 20 14:50 EDT 2017. Contains 289625 sequences.