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A109460 Number of P-equivalence classes of canalizing functions with n variables. 3
2, 4, 10, 38, 294, 15774, 149325022 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

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

LINKS

Table of n, a(n) for n=0..6.

EXAMPLE

The 10 inequivalent canalizing functions when n=2 are 0, 1, x, NOT x, x OR y, NOT x OR y, NOT x OR NOT y, x AND y, NOT x AND y, NOT x AND NOT y.

CROSSREFS

See A102449 for definition and further references. Cf. A000616, A109462.

Sequence in context: A076132 A047142 A081080 * A108801 A193675 A326904

Adjacent sequences:  A109457 A109458 A109459 * A109461 A109462 A109463

KEYWORD

nonn

AUTHOR

Don Knuth, Aug 24 2005

STATUS

approved

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Last modified February 27 10:25 EST 2021. Contains 341649 sequences. (Running on oeis4.)