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A091326
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Total number of inequivalent even binary linear codes of length n and any dimension k = 0, 1, ..., n-1.
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1
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OFFSET
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1,2
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COMMENTS
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"Even" means that every word has even weight. Equivalently, the all-ones vector is in the dual code.
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LINKS
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Table of n, a(n) for n=1..9.
G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.
Index entries for sequences related to binary linear codes
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CROSSREFS
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Row sums of A091325.
Sequence in context: A038751 A218543 A018518 * A113863 A085431 A108862
Adjacent sequences: A091323 A091324 A091325 * A091327 A091328 A091329
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KEYWORD
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nonn,more
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AUTHOR
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N. J. A. Sloane, Mar 01 2004
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STATUS
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approved
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