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A028848 Number of composite labeled T_0 topologies on n points. 0
0, 0, 25, 0, 2641, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,3
REFERENCES
R. Kreminski, "Graphs and matrices in the study of (finite) topological spaces", Missouri J. Mathematical Sciences, Volume 12 (Issue #2, Spring 2000).
LINKS
CROSSREFS
Sequence in context: A059062 A179809 A110416 * A172298 A040630 A040631
KEYWORD
nonn
AUTHOR
Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)
STATUS
approved

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Last modified May 20 21:47 EDT 2024. Contains 372720 sequences. (Running on oeis4.)