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A028852
Number of composite unlabeled connected T_0 topologies (i.e., composite T_0 connected homeomorphism classes) on n points.
0
0, 0, 1, 0, 3, 0, 10, 6, 44, 0
OFFSET
2,5
LINKS
R. Kreminski, Graphs and matrices in the study of (finite) topological spaces, Missouri J. Mathematical Sciences, Volume 12 (Issue #2, Spring 2000).
CROSSREFS
Sequence in context: A293939 A342926 A119957 * A319202 A327072 A327377
KEYWORD
nonn,more
AUTHOR
Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)
STATUS
approved