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A002077 Number of self-dual threshold functions of n variables.
(Formerly M3683 N1503)
0
1, 0, 1, 4, 46, 1322, 112519, 32267168, 34153652752 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

REFERENCES

S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 38, Table 2.3.2. - Row 10.

S. Muroga and I. Toda, Lower bound on the number of threshold functions, IEEE Trans. Electron. Computers, 17 (1968), 805-806.

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).

CROSSREFS

Sequence in context: A099023 A000657 A001623 * A113096 A135078 A195243

Adjacent sequences:  A002074 A002075 A002076 * A002078 A002079 A002080

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.