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A000370 NPN-equivalence classes of Boolean functions of n or fewer variables.
(Formerly M1287 N0494)
8
1, 2, 4, 14, 222, 616126, 200253952527184, 263735716028826576482466871188128, 5609038300883759793482640992086670939164957990135057216103303119630336 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Number of Boolean functions distinct under complementation/permutation.

REFERENCES

M. A. Harrison, The number of equivalence classes of Boolean functions under groups containing negation, IEEE Trans. Electron. Comput. 12 (1963), 559-561.

M. A. Harrison, Introduction to Switching and Automata Theory. McGraw Hill, NY, 1965, p. 153.

D. E. Knuth, The Art of Computer Programming, Vol. 4A, Section 7.1.1, p. 79.

S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 38, Table 2.3.2. - Row 16.

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).

LINKS

Table of n, a(n) for n=0..8.

M. A. Harrison, The number of equivalence classes of Boolean functions under groups containing negation, IEEE Trans. Electron. Comput. 12 (1963), 559-561.

M. A. Harrison, The number of equivalence classes of Boolean functions under groups containing negation, IEEE Trans. Electron. Comput. 12 (1963), 559-561. [Annotated scanned copy]

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

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]

Index entries for sequences related to Boolean functions

CROSSREFS

Sequence in context: A134040 A061291 A166105 * A132531 A123052 A064773

Adjacent sequences:  A000367 A000368 A000369 * A000371 A000372 A000373

KEYWORD

nonn,easy,nice

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Vladeta Jovovic, Feb 23 2000

STATUS

approved

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Last modified June 25 20:26 EDT 2017. Contains 288730 sequences.