A105510 - OEIS

%I #7 Oct 04 2012 10:28:56

%S 1,0,2,4,17

%N Number of indecomposable self-dual ternary codes of length 4n.

%D J. H. Conway, V. S. Pless and N. J. A. Sloane, Self-dual codes over GF(3) and GF(4) of length not exceeding 16, IEEE Trans. Inform. Theory, 25 (1979), 312-322.

%D J. S. Leon, V. S. Pless and N. J. A. Sloane, On ternary self-dual codes of length 24, IEEE Trans. Inform. Theory, 27 (1981), 176-180.

%D C. L. Mallows, V. S. Pless and N. J. A. Sloane, Self-dual codes over GF(3), SIAM J. Appl. Math. 31 (1976), 649-666.

%H G. Nebe, E. M. Rains and N. J. A. Sloane, <a href="http://neilsloane.com/doc/cliff2.html">Self-Dual Codes and Invariant Theory</a>, Springer, Berlin, 2006.

%H E. M. Rains and N. J. A. Sloane, Self-dual codes, pp. 177-294 of Handbook of Coding Theory, Elsevier, 1998 (<a href="http://neilsloane.com/doc/self.txt">Abstract</a>, <a href="http://neilsloane.com/doc/self.pdf">pdf</a>, <a href="http://neilsloane.com/doc/self.ps">ps</a>).

%Y Cf. A003178, A003179.

%K nonn,nice,hard,more

%O 0,3

%A _N. J. A. Sloane_, May 07 2005