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A106163 Number of indecomposable or decomposable Type II binary self-dual codes of length 8n. +0
3
1, 1, 2, 9, 85 (list; graph; listen)
OFFSET

0,3

REFERENCES

J. H. Conway and V. S. Pless, On the enumeration of self-dual codes, J. Comb. Theory, A28 (1980), 26-53.

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

V. S. Pless, The children of the (32,16) doubly even codes, IEEE Trans. Inform. Theory, 24 (1978), 738-746.

LINKS

G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.

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).

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. A003178, A003179, A106162-A106167.

Sequence in context: A086929 A120959 A125797 this_sequence A068595 A037172 A135747

Adjacent sequences: A106160 A106161 A106162 this_sequence A106164 A106165 A106166

KEYWORD

nonn

AUTHOR

njas, May 09 2005

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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