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A010578 Maximal size of binary code of length n correcting 3 unidirectional errors. +0
1
1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 7, 10 (list; graph; listen)
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.

CROSSREFS

Sequence in context: A071809 A104976 A010334 this_sequence A005866 A125584 A029078

Adjacent sequences: A010575 A010576 A010577 this_sequence A010579 A010580 A010581

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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