%I #5 Mar 30 2012 19:01:04
%S 1,3,9,45,2949
%N Number of levels in lattice formed by normal play partisan games born on day n.
%D Dan Calistrate, Marc Paulhus and David Wolfe, On the lattice structure of finite games, in More Games of No Chance (Berkeley, CA, 2000), Math. Sci. Res. Inst. Publ., 42, Cambridge Univ. Press, Cambridge, 2002, pp. 25-30.
%Y Cf. A065401, A065402, A047995, A037142. Equals 2*A065402(n-1) + 1.
%K nonn
%O 0,2
%A _R. K. Guy_, Nov 23 2001