A010334 - OEIS

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A010334

Maximal size of binary code of length n and asymmetric distance 4.

1, 1, 1, 2, 2, 2, 2, 4, 4, 6, 8, 12, 18 (list; graph; refs; listen; history; internal format)

	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: A032576 A071809 A104976 * A010578 A005866 A125584` `Adjacent sequences: A010331 A010332 A010333 * A010335 A010336 A010337`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`There is a typo at the n=6 term in the printed version of the paper.`

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Last modified February 15 13:09 EST 2012. Contains 205789 sequences.