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A110864
Number of ternary self-dual codes of length 4n.
0
1, 1, 1, 3, 7, 24
OFFSET
0,4
LINKS
W. C. Huffman, On the classification and enumeration of self-dual codes, Finite Fields Applic., 11 (2005), 451-490.
G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.
CROSSREFS
Sequence in context: A099183 A316792 A358974 * A046102 A307793 A145542
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 19 2005
STATUS
approved