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%I #4 May 10 2013 12:45:28
%S 1,2,2,4,41,2104,1387915,229780525655
%N Number of intersecting T_0-antichains on a labeled n-set.
%C An antichain on a set is a T_0-antichain if for every two distinct pointsf the set there exists a member of the antichain containing one but not the other point.
%Y Cf. A001206, A051185, A059083.
%K hard,nonn
%O 0,2
%A Goran Kilibarda, _Vladeta Jovovic_, Nov 28 2003