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A002080 Number of self-dual functions of n variables.
(Formerly M1266 N0485)
+0
1
1, 2, 4, 12, 81, 1684, 123565, 33207256, 34448225389 (list; graph; listen)
OFFSET

1,2

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 38 and 214.

S. Muroga, T. Tsuboi and C. R. Baugh, Enumeration of threshold functions of eight variables, IEEE Trans. Computers, 19 (1970), 818-825.

LINKS

Index entries for sequences related to Boolean functions

CROSSREFS

Sequence in context: A114903 A038054 A003180 this_sequence A001206 A144295 A119489

Adjacent sequences: A002077 A002078 A002079 this_sequence A002081 A002082 A002083

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.


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