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A000610
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Number of self-complementary Boolean functions of n variables: see Comments for precise definition.
(Formerly M1714 N0678)
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5
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OFFSET
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1,2
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COMMENTS
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Number of self-complementary equivalence classes under the group G_n (a permutation group on the domain of Boolean functions, containing the symmetric group S_n and the group C_{2^n} of all 2^n complementations of variables). - R. J. Mathar, Apr 14 2010
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REFERENCES
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N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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Table of n, a(n) for n=1..9.
B. Elspas, Self-complementary symmetry types of Boolean functions, IEEE Transactions on Electronic Computers 2, no. EC-9 (1960): 264-266. [Annotated scanned copy]
M. A. Harrison, The number of equivalence classes of Boolean functions under groups containing negation, IEEE Trans. Electron. Comput. 12 (1963), 559-561.
M. A. Harrison, The number of equivalence classes of Boolean functions under groups containing negation, IEEE Trans. Electron. Comput. 12 (1963), 559-561. [Annotated scanned copy]
E. M. Palmer and R. W. Robinson, Enumeration of self-dual configurations Pacific J. Math., 110 (1984), 203-221.
I. Toda, On the number of types of self-dual logical functions, IEEE Trans. Electron. Comput., 11 (1962), 282-284.
I. Toda, On the number of types of self-dual logical functions (annotated scanned copy)
Index entries for sequences related to Boolean functions
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CROSSREFS
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Cf. A001320.
Sequence in context: A007018 A100016 A344562 * A023363 A091241 A198076
Adjacent sequences: A000607 A000608 A000609 * A000611 A000612 A000613
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KEYWORD
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nonn,nice,easy
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AUTHOR
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N. J. A. Sloane
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EXTENSIONS
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More terms from Vladeta Jovovic, Feb 23 2000
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STATUS
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approved
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