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A028858 Number of prime unlabeled connected T_0 topologies (i.e., prime T_0 connected homeomorphism classes) on n points. 0

%I

%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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Last modified October 18 08:27 EDT 2021. Contains 348067 sequences. (Running on oeis4.)