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Search: id:A106162
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| A106162 |
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Number of indecomposable Type II binary self-dual codes of length 8n. |
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+0
5
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OFFSET
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0,4
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REFERENCES
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J. H. Conway and V. S. Pless, On the enumeration of self-dual codes, J. Comb. Theory, A28 (1980), 26-53.
V. S. Pless, The children of the (32,16) doubly even codes, IEEE Trans. Inform. Theory, 24 (1978), 738-746.
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LINKS
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J. H. Conway, V. Pless and N. J. A. Sloane, The Binary Self-Dual Codes of Length Up to 32: A Revised Enumeration, J. Comb. Theory, A28 (1980), 26-53 (Abstract, pdf, ps, Table A, Table D).
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
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Cf. A003178, A003179, A106163-A106167.
Sequence in context: A098118 A097821 A054745 this_sequence A127190 A121316 A066302
Adjacent sequences: A106159 A106160 A106161 this_sequence A106163 A106164 A106165
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KEYWORD
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nonn,hard,more
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AUTHOR
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njas, May 09 2005
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EXTENSIONS
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a(8) corrected by John van Rees, Jul 21 2005. It was given as 76 by Conway and Pless and as 74 by Rains and Sloane.
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