A005617 - OEIS

%I M1985 #32 Oct 04 2017 00:35:43

%S 2,2,10,122,2554,75386,2865370,133191386,7319102842,464161640378,

%T 33365010466330,2680736773291418,238072159069838266,

%U 23157446685020355194,2448496007747625525850,279603850797891071481434,34294941015273001096282618

%N Number of fanout-free Boolean functions of n variables using And, Or, Xor, Not, and Majority gates.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H E. A. Bender and J. T. Butler, <a href="/A005612/a005612.pdf">Asymptotic approximations for the number of fanout-free functions</a>, IEEE Trans. Computers, 27 (1978), 1180-1183. (Annotated scanned copy)

%H J. T. Butler, <a href="/A005607/a005607_1.pdf">Letter to N. J. A. Sloane, Dec. 1978</a>.

%H K. L. Kodandapani and S. C. Seth, <a href="http://doi.ieeecomputersociety.org/10.1109/TC.1978.1675103">On combinational networks with restricted fan-out</a>, IEEE Trans. Computers, 27 (1978), 309-318. (<a href="/A005736/a005736.pdf">Annotated scanned copy</a>)

%H <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a>

%K nonn

%O 0,1

%A _N. J. A. Sloane_

%E a(0) prepended and more terms from _Sean A. Irvine_, Jul 21 2016