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A109455 Number of equivalence classes of threshold functions under permutations of the variables. +0
1
2, 4, 10, 34, 178, 1720, 590440 (list; graph; listen)
OFFSET

0,1

REFERENCES

D. E. Knuth, The Art of Computer Programming, Vol. 4, Section 7.1.1 (in preparation).

S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971. [Background]

CROSSREFS

Cf. A002078, A000617, A001529.

Sequence in context: A006397 A003422 A117402 this_sequence A156800 A125859 A103854

Adjacent sequences: A109452 A109453 A109454 this_sequence A109456 A109457 A109458

KEYWORD

nonn

AUTHOR

D. E. Knuth, Aug 17 2005

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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