id:A054536 - OEIS Search Results

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

+0
2

1, 1, 1, 2, 2, 4, 2, 4, 4, 6, 8, 12, 18 (list; graph; listen)

	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	`Cf. A010101, A010238, A010336.` `Sequence in context: A036845 A094269 A157227 this_sequence A001316 A161831 A096865` `Adjacent sequences: A054533 A054534 A054535 this_sequence A054537 A054538 A054539`
	KEYWORD	`nonn,nice,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 10 2000`

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Last modified March 18 15:35 EDT 2010. Contains 173617 sequences.