A002078 - OEIS

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A002078

N-equivalence classes of threshold functions of n or fewer variables.
(Formerly M0816 N0308)

2, 3, 6, 20, 150, 3287, 244158, 66291591, 68863243522 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`It appears that this is the BinomialMean transform of A000609. (See A075271 for the definition of the transform.) - John W. Layman (layman(AT)math.vt.edu), Feb 21 2003`
	REFERENCES	`S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 38, Table 2.3.2. - Row 7.` `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).` `Michael Z. Spivey and Laura L. Steil, The k-Binomial Transforms and the Hankel Transform, Journal of Integer Sequences, Vol. 9 (2006), Article 06.1.1.`
	CROSSREFS	`Cf. A000609, A075271.` `Sequence in context: A173744 A176806 A168268 * A000372 A123930 A125601` `Adjacent sequences: A002075 A002076 A002077 * A002079 A002080 A002081`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.