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A010671 Maximal size of binary code of length n correcting 4 unidirectional errors. +0
1
1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 6, 8 (list; graph; listen)
OFFSET

1,6

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: A112968 A104588 A157279 this_sequence A088050 A058005 A095386

Adjacent sequences: A010668 A010669 A010670 this_sequence A010672 A010673 A010674

KEYWORD

nonn

AUTHOR

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

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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