1,3

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.

Sequence in context: A008331 A097196 A132325 this_sequence A089819 A059888 A151680

Adjacent sequences: A010235 A010236 A010237 this_sequence A010239 A010240 A010241

nonn

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