%I M5003 N2153 #21 Dec 19 2021 11:20:05
%S 16,80,1056,320416,1858620869536,16880173675357998942609488800,
%T 706695723125809149019144715477884710572926078237246360174451424
%N Number of switching networks under action of GL_n(Z_2).
%C See Harrison reference for precise definition.
%C Next term has 136 digits. - _Sean A. Irvine_, Jan 19 2012
%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_, Jan 18 2012