%I #10 Jun 17 2024 07:09:57
%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.
%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,more
%O 2,2
%A Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)