A010238 Maximal size of binary code of length n and asymmetric distance 3.

1, 1, 2, 2, 2, 4, 4, 7, 12, 18

Offset

1,3

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.

Links

Table of n, a(n) for n=1..10.

Crossrefs

Sequence in context: A326684 A366598 A350457 * A178799 A360360 A089819

Adjacent sequences: A010235 A010236 A010237 * A010239 A010240 A010241

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved