login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A000615 Threshold functions of exactly n variables.
(Formerly M0379 N0142 N0747)
2
2, 2, 8, 72, 1536, 86080, 14487040, 8274797440, 17494930604032 (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 4.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence in two entries, N0142 and N0747).

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.

Goto, Eiichi, and Hidetosi Takahasi, Some Theorems Useful in Threshold Logic for Enumerating Boolean Functions, in Proceedings International Federation for Information Processing (IFIP) Congress, 1962, pp. 747-752. [Annotated scans of certain pages]

S. Muroga, I. Toda and M. Kondo, Majority decision functions of up to six variables, Math. Comp., 16 (1962), 459-472.

S. Muroga, I. Toda and M. Kondo, Majority decision functions of up to six variables, Math. Comp., 16 (1962), 459-472. [Annotated partially scanned copy]

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

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. A000609.

Sequence in context: A009616 A005615 A048617 * A297010 A012413 A012659

Adjacent sequences:  A000612 A000613 A000614 * A000616 A000617 A000618

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane

EXTENSIONS

Entry revised by N. J. A. Sloane, Jun 11 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 13 20:25 EDT 2021. Contains 345009 sequences. (Running on oeis4.)