A005137 Highest minimal distance of self-dual code of length 2n.

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

Author

N. J. A. Sloane

Keywords

• nonn
• hard

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).