%I A028847
%S A028847 0,0,35,0,3767,0
%N A028847 Number of composite labeled topologies on n points.
%D A028847 R. Kreminski, "Graphs and matrices in the study of (finite) topological 
               spaces", Missouri J. Mathematical Sciences, Volume 12 (Issue #2, 
               Spring 2000).
%H A028847 <a href="http://www.math-cs.ucmo.edu/~mjms/mjms.html">Missouri J. Mathematical 
               Sciences</a> (New web address)
%Y A028847 Sequence in context: A033511 A067156 A104785 this_sequence A059023 A037934 
               A013548
%Y A028847 Adjacent sequences: A028844 A028845 A028846 this_sequence A028848 A028849 
               A028850
%K A028847 nonn
%O A028847 2,3
%A A028847 Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)