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A111264 Number of strictly Type I self-dual codes over F_2 + u*F_2 of length n. +0
1
1, 2, 2, 3, 5, 13, 14, 34 (list; graph; listen)
OFFSET

1,2

REFERENCES

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

LINKS

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

CROSSREFS

Sequence in context: A014644 A089541 A065843 this_sequence A065994 A055937 A090255

Adjacent sequences: A111261 A111262 A111263 this_sequence A111265 A111266 A111267

KEYWORD

nonn

AUTHOR

njas, Nov 02 2005

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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