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A066013 Number of codes having highest minimal Lee distance of any Type 4^Z self-dual code of length n over Z/4Z which does not have all Euclidean norms divisible by 8, that is, is strictly Type I. Compare A105688. 1
1, 1, 1, 1, 2, 1, 1, 3, 11, 5, 3, 39, 8, 1, 15 (list; graph; refs; listen; history; internal format)
OFFSET

1,5

LINKS

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).

CROSSREFS

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

Cf. A066012 for minimal Lee distances of these codes. See also A066014-A066017.

Sequence in context: A051467 A195805 A077385 * A014521 A084389 A122022

Adjacent sequences:  A066010 A066011 A066012 * A066014 A066015 A066016

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 11 2001; revised May 06 2005

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.