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A106159 Number of Type 4^E_{II} Euclidean self-dual codes over GF(4) of length 4n. +0
2
1, 2, 7, 48 (list; graph; listen)
OFFSET

1,2

REFERENCES

K. Betsumiya, On the classification of Type II codes over F_{2^r} with binary length 32, Preprint, 2002.

K. Betsumiya, P. Gaborit and M. Harada, Type II codes over F_{2^{r}, in Applied Algebra, Algebraic Algorithms and Error Correcting Codes, 2001, Lecture Notes in Comp. Sci. 2227, 102-111.

P. Gaborit, V. S. Pless, P. Sol\'e and A. O. L. Atkin, Type II codes over F_4, Finite Fields Applic. 8 (2002), 171-183.

D. K. Kim, H. K. Kim and J.-L. Kim, Type I codes over GF(4), Preprint, 2004.

LINKS

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

E. M. Rains and N. J. A. Sloane, Self-dual codes, pp. 177-294 of Handbook of Coding Theory, Elsevier, 1998 (Abstract, pdf, ps).

CROSSREFS

Cf. A106158.

Sequence in context: A056854 A117141 A125813 this_sequence A119668 A101538 A045598

Adjacent sequences: A106156 A106157 A106158 this_sequence A106160 A106161 A106162

KEYWORD

nonn

AUTHOR

njas, May 08 2005

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Last modified August 28 11:49 EDT 2008. Contains 143094 sequences.


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