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A002079 N-equivalence classes of threshold gates of exactly n variables.
(Formerly M0122 N0049)
6
2, 1, 2, 9, 96, 2690, 226360, 64646855, 68339572672 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 38, Table 2.3.2. - Row 8.

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

Table of n, a(n) for n=0..8.

Muroga, Saburo, Iwao Toda, and Satoru Takasu, Theory of majority decision elements, Journal of the Franklin Institute 271.5 (1961): 376-418. [Annotated scans of pages 413 and 414 only]

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

CROSSREFS

Cf. A002078.

Sequence in context: A173159 A271574 A274198 * A006126 A078357 A225432

Adjacent sequences:  A002076 A002077 A002078 * A002080 A002081 A002082

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 18 03:14 EDT 2021. Contains 343072 sequences. (Running on oeis4.)