A110302 Number of inequivalent indecomposable self-dual codes of Type {4^H+}_II and length 2n.

1, 1, 1, 4, 14, 103, 2926

Offset

0,4

References

L. E. Danielsen and M. G. Parker, On the classification of all self-dual additive codes over GF(4) of length up to 12, Preprint 2005.

Links

Table of n, a(n) for n=0..6.

G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.

Crossrefs

Cf. A090899, A094927, A110306.

Sequence in context: A268689 A299199 A209322 * A282617 A005743 A343962

Adjacent sequences: A110299 A110300 A110301 * A110303 A110304 A110305

Keyword

nonn

Author

N. J. A. Sloane, Sep 09 2005

Status

approved