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Search: id:A105681
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| A105681 |
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Highest minimal Lee distance of any Type 4^Z self-dual code of length n over Z/4Z. |
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+0
20
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| 2, 2, 2, 4, 2, 4, 4, 6, 2, 4, 4, 4, 4, 6, 6, 8, 6, 8, 6, 8, 8, 8, 10, 12
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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W. C. Huffman, On the classification and enumeration of self-dual codes, Finite Fields Applic., 11 (2005), 451-490.
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LINKS
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G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.
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
E. M. Rains and N. J. A. Sloane, Self-dual codes, pp. 177-294 of Handbook of Coding Theory, Elsevier, 1998; (Abstract, pdf, ps).
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CROSSREFS
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Cf. A105674, A105675, A105676, A105677, A105678, A016729, A066016, A105682.
See A105688 for the number of such codes. Cf. also A066012.
Sequence in context: A063375 A064129 A005137 this_sequence A130127 A098069 A135838
Adjacent sequences: A105678 A105679 A105680 this_sequence A105682 A105683 A105684
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), May 06 2005
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