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A105686 Number of inequivalent codes attaining highest minimal Hamming distance of any Type 4^H Hermitian linear self-dual code over GF(4) of length 2n. +0
2
1, 1, 1, 1, 2, 5, 1, 4, 1, 2 (list; graph; listen)
OFFSET

1,5

REFERENCES

W. C. Huffman, On extremal self-dual quaternary codes of lengths 18 to 28, I, IEEE Trans. Infor. Theory, 36 (1990), 651-660.

W. C. Huffman, On 3-elements in monomial automorphism groups of quaternary codes, IEEE Trans. Infor. Theory, 36 (1990), 660-664.

W. C. Huffman, On extremal self-dual quaternary codes of lengths 18 to 28, II, IEEE Trans. Infor. Theory, 37 (1991), 1206-1216.

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

LINKS

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

P. Gaborit, Tables of Self-Dual Codes

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. A105674, A105675, A105676, A105677, A105678, A016729, A066016, A105681, A105682.

A105678 gives the minimal distance of these codes.

Sequence in context: A100084 A100226 A121428 this_sequence A153726 A034005 A161688

Adjacent sequences: A105683 A105684 A105685 this_sequence A105687 A105688 A105689

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 06 2005

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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