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A028847
Number of composite labeled topologies on n points.
0
0, 0, 35, 0, 3767, 0
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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
Table of n, a(n) for n=2..7.
Missouri J. Mathematical Sciences
(New web address)
CROSSREFS
Sequence in context:
A174593
A104785
A225313
*
A365895
A176199
A059023
Adjacent sequences:
A028844
A028845
A028846
*
A028848
A028849
A028850
KEYWORD
nonn
AUTHOR
Richard M Kreminski (kremin(AT)boisdarc.tamu-commerce.edu)
STATUS
approved
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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)