%I #10 Jun 17 2024 07:09:25
%S 2,5,13,63,308,2045,16969,183216,2567158,46749427
%N Number of prime unlabeled T_0 topologies (i.e., prime T_0 homeomorphism classes) on n points.
%H R. Kreminski, <a href="https://doi.org/10.35834/2000/1202096">Graphs and matrices in the study of (finite) topological spaces</a>, Missouri J. Mathematical Sciences, Volume 12 (Issue #2, Spring 2000).
%K nonn,nice,more
%O 2,1
%A Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)