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Search: id:A006383
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| A006383 |
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Number of equivalence classes of n X n binary matrices when one can permute rows, permute columns and complement columns.
(Formerly M2701)
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+0
1
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OFFSET
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0,3
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
M. A. Harrison, On the number of classes of binary matrices, IEEE Trans. Computers, 22 (1973), 1048-1051.
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LINKS
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Index entries for sequences related to binary matrices
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EXAMPLE
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a(2) = 3:
00 10 11
00 00 00
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CROSSREFS
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Cf. A002724, A005232, A006381, A006382, A056204, A056205.
Sequence in context: A018968 A018969 A018971 this_sequence A080581 A086397 A019018
Adjacent sequences: A006380 A006381 A006382 this_sequence A006384 A006385 A006386
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KEYWORD
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nonn,nice,easy,more
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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Definition corrected by Brendan McKay, Jan 07 2007.
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