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A105682 Highest minimal Euclidean norm of any Type 4^Z self-dual code of length n over Z/4Z. +0
21
4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 4, 8, 4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 12, 16 (list; graph; listen)
OFFSET

1,1

REFERENCES

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

LINKS

S. T. Dougherty, M. Harada and P. Sole', Shadow Codes over Z_4, Finite Fields Applic., 7 (2001), 507-529.

P. Gaborit, Tables of Self-Dual Codes

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

A105689 gives number of such codes. Cf. also A066014.

Sequence in context: A096300 A035672 A113472 this_sequence A049109 A035651 A165919

Adjacent sequences: A105679 A105680 A105681 this_sequence A105683 A105684 A105685

KEYWORD

nonn

AUTHOR

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

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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