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A005739 Number of disjunctively-realizable functions of n variables.
(Formerly M3531)
0
4, 16, 152, 2680, 68968, 2311640, 95193064, 4645069336, 261938616104, 16756882325464, 1198897678224232, 94851206834082200, 8221740727881348520, 774839374768829174104, 78880995816162599086568, 8626562553228821851608856 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

K. L. Kodandapani and S. C. Seth, On combinational networks with restricted fan-out, IEEE Trans. Computers, C-27 (1978), 309-318.

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=1..16.

J. T. Butler, Letter to N. J. A. Sloane, Jun. 1975.

J. T. Butler, On the number of functions realized by cascades and disjunctive networks, IEEE Trans. Computers, C-24 (1975), 681-690. (Annotated scanned copy)

K. L. Kodandapani and S. C. Seth, On combinational networks with restricted fan-out, IEEE Trans. Computers, 27 (1978), 309-318. (Annotated scanned copy)

FORMULA

a(n) = A005616(n) + A005738(n) [From Kodandapani and Seth]. - Sean A. Irvine, Jul 21 2016

CROSSREFS

Sequence in context: A208661 A262123 A005749 * A279887 A226588 A318641

Adjacent sequences:  A005736 A005737 A005738 * A005740 A005741 A005742

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Sean A. Irvine, Jul 21 2016

STATUS

approved

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Last modified November 20 00:29 EST 2019. Contains 329323 sequences. (Running on oeis4.)