login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A110306 Number of inequivalent (indecomposable or decomposable) self-dual codes of Type {4^H+}_II and length 2n. 3
1, 1, 2, 6, 21, 128, 3079 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

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.

W. C. Huffman, On the classification and enumeration of self-dual codes, Finite Fields Applic. 11 (2005), 451-490.

W. C. Huffman, Additive self-dual codes over F_4 with an automorphism of odd prime order, Adv. Math. Commun., 1 (2007), 357-398.

LINKS

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

CROSSREFS

Cf. A090899, A094927, A110302.

Sequence in context: A128528 A001349 A126060 * A028936 A066932 A181754

Adjacent sequences:  A110303 A110304 A110305 * A110307 A110308 A110309

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 09 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 03:44 EST 2012. Contains 205860 sequences.