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%I A018202 #10 Dec 12 2015 15:29:44
%S A018202 1,10,81,512,1023,2048
%N A018202 Possible numbers of complements of topologies on 11 points.
%H A018202 J. I. Brown and S. Watson, <a href="http://dx.doi.org/10.1016/0012-365X(95)00004-G">The number of complements of a topology on n points is at least 2^n (except for some special cases)</a>, Discr. Math., 154 (1996), 27-39.
%K A018202 nonn,more
%O A018202 0,2
%A A018202 _N. J. A. Sloane_

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