%I #13 Sep 20 2020 20:53:40
%S 1,0,0,0,4,84,1992,94011
%N Number of essentially controllable graphs on n nodes.
%H C. O. Aguilar, B. Gharesifard, <a href="https://mast.queensu.ca/~bahman/CA-BG-2014.pdf">Graph Controllability Classes for the Laplacian Leader-Follower Dynamics</a>, 2014.
%Y Cf. A001349, A124059.
%K nonn,more
%O 2,5
%A _N. J. A. Sloane_, Jul 26 2014
%E Definition corrected by _Falk Hüffner_, Sep 20 2020