A005737 Number of fanout-free Boolean functions of n variables. (Formerly M1284)

2, 4, 14, 96, 1146, 19996, 456774, 12851768, 429005426, 16560937396, 725573492222, 35563025442192, 1927862644558314, 114519148531129036, 7397000893220477238, 516159025386346265192, 38694179227499561474786, 3101357948259644187134308

Offset

0,1

References

J. P. Hayes, Enumeration of fanout-free Boolean functions, J. ACM, 23 (1976), 700-709.

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..17.

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

Index entries for sequences related to Boolean functions

Formula

a(n) = A005736(n) + A005640(n+1). - Sean A. Irvine, Jul 21 2016

Crossrefs

Cf. A005640, A005736.

Sequence in context: A232108 A339651 A032052 * A219767 A000609 A245079

Adjacent sequences: A005734 A005735 A005736 * A005738 A005739 A005740

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Sean A. Irvine, Jul 21 2016

Status

approved