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A110860 Number of even formally self-dual (but not self-dual) binary codes of length 2n that have the highest possible minimal distance. +0
1
0, 0, 1, 0, 1, 2, 9, 141 (list; graph; listen)
OFFSET

1,6

REFERENCES

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

CROSSREFS

Sequence in context: A162955 A064448 A110817 this_sequence A050995 A117116 A133468

Adjacent sequences: A110857 A110858 A110859 this_sequence A110861 A110862 A110863

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 19 2005

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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