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%I M2960 N1196 #19 Feb 02 2022 00:07:37
%S 3,13,146,40422,232328410830,2110021709419835241732893678,
%T 88336965390726143627393089434752334013039840509115817923869114
%N Number of n-input 2-output switching networks with GL(n,2) acting on the input and S(2) and C(2,2) acting on the output.
%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_, Mar 08 2012
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