A005137 Highest minimal distance of self-dual code of length 2n. (Formerly M0233)

0, 2, 2, 2, 4, 2, 4, 4, 4, 4, 4, 6, 8, 6, 6, 6, 8, 6, 8, 8, 8, 8, 8, 10, 12, 10, 10, 10, 12, 10, 12

Offset

0,2

References

J. H. Conway and N. J. A. Sloane, A new upper bound on the minimal distance of self-dual codes, IEEE Trans. Inform. Theory, 36 (1990), 1319-1334.

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. xxiv.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=0..30.

Crossrefs

Sequence in context: A378223 A063375 A064129 * A222959 A309441 A220498

Adjacent sequences: A005134 A005135 A005136 * A005138 A005139 A005140

Keyword

nonn,hard

Author

N. J. A. Sloane

Status

approved