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A003187 Number of positive threshold functions of n variables.
(Formerly M2467)
3
3, 5, 10, 27, 119 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Michael Somos (Mar 13 2012) asks if A003187 and A132187 are the same. - N. J. A. Sloane, Mar 13 2012

REFERENCES

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

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=1..5.

S. Muroga, Threshold Logic and Its Applications, Wiley, NY, 1971 [Annotated scans of a few pages]

CROSSREFS

Cf. A132187.

Sequence in context: A243517 A243518 A011969 * A262306 A284301 A284349

Adjacent sequences:  A003184 A003185 A003186 * A003188 A003189 A003190

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 23 03:08 EST 2019. Contains 319370 sequences. (Running on oeis4.)