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A105682
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Highest minimal Euclidean norm of any Type 4^Z self-dual code of length n over Z/4Z.
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20
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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; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| W. C. Huffman, On the classification and enumeration of self-dual codes, Finite Fields Applic., 11 (2005), 451-490.
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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).
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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 * A049109 A035651 A165919
Adjacent sequences: A105679 A105680 A105681 * A105683 A105684 A105685
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 06 2005
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