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Number of prime unlabeled connected T_0 topologies (i.e., prime T_0 connected homeomorphism classes) on n points.
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%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)