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%I #5 Aug 03 2017 01:44:14
%S 1,3,9,44,235,1650,14502,163335,2360675,43944974
%N Number of prime unlabeled connected T_0 topologies (i.e., prime T_0 connected homeomorphism classes) on n points.
%D R. Kreminski, "Graphs and matrices in the study of (finite) topological spaces", Missouri J. Mathematical Sciences, Volume 12 (Issue #2, Spring 2000).
%H <a href="http://www.math-cs.ucmo.edu/~mjms/mjms.html">Missouri J. Mathematical Sciences</a> (New web address)
%K nonn
%O 2,2
%A Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)
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