A000811 - OEIS

%I M5013 N2159 #22 Feb 01 2022 01:18:19

%S 16,160,13056,183305216,153746461690757120,

%T 472614400151965797795362900461748224,

%U 22974620880419880070513913016918297106276186594558904213019777370224066560

%N Number of switching networks (see Harrison reference for precise definition).

%C Total number of classes under permutation of n input variables and 2 output variables. [Sean A. Irvine, Jul 06 2011]

%D M. A. Harrison, On the number of classes of switching networks, J. Franklin Instit., 276 (1963), 313-327.

%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

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

%H <a href="/index/Sw#switching">Index entries for sequences related to switching networks</a>

%K nonn

%O 1,1

%A _N. J. A. Sloane_

%E More terms from _Sean A. Irvine_, Jul 05 2011