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A000617 Number of NP-equivalence classes of threshold functions of n or fewer variables.
(Formerly M0727 N0272)
3
2, 3, 5, 10, 27, 119, 1113, 29375, 2730166 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

REFERENCES

S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 38, Table 2.3.2. - Row 14.

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

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).

LINKS

I. Krohn, P. Sudhölter, Directed and weighted majority games, Math. Methods Operat. Res. 42 (2) (1995) 189-216, Table 1. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 24 2010]

CROSSREFS

Sequence in context: A133662 A204518 A088938 * A132183 A003504 A003182

Adjacent sequences:  A000614 A000615 A000616 * A000618 A000619 A000620

KEYWORD

nonn,hard,more,nice

AUTHOR

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

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Last modified February 15 08:40 EST 2012. Contains 205731 sequences.