%I M2185 #11 Mar 30 2012 16:44:58
%S 2,324,48869983488
%N Number of 2-tournaments on n nodes.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%D Paul K. Stockmeyer, Who is the best doubles tennis player? An introduction to k-tournaments, pp. 1083-1091 of Y. Alavi et al., eds., Graph Theory, Combinatorics and Applications. Wiley, NY, 2 vols., 1991.
%H <a href="/index/To#tournament">Index entries for sequences related to tournaments</a>
%K nonn,bref
%O 4,1
%A _N. J. A. Sloane_.