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A058712
Number of loopless matroids on n labeled points.
2
1, 1, 2, 6, 27, 185, 2135, 55129, 10094077
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..8.
W. M. B. Dukes,
Tables of matroids
.
W. M. B. Dukes,
Counting and Probability in Matroid Theory
, Ph.D. Thesis, Trinity College, Dublin, 2000.
W. M. B. Dukes,
The number of matroids on a finite set
, arXiv:math/0411557 [math.CO], 2004.
W. M. B. Dukes,
On the number of matroids on a finite set
, Séminaire Lotharingien de Combinatoire 51 (2004), Article B51g.
Index entries for sequences related to matroids
CROSSREFS
Row sums of
A058710
.
Sequence in context:
A277611
A080839
A118085
*
A011834
A003513
A113731
Adjacent sequences:
A058709
A058710
A058711
*
A058713
A058714
A058715
KEYWORD
nonn
,
nice
AUTHOR
N. J. A. Sloane
, Dec 31 2000
EXTENSIONS
a(5) corrected by
Petros Hadjicostas
, Oct 09 2019
STATUS
approved
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Last modified September 18 14:24 EDT 2024. Contains 376000 sequences. (Running on oeis4.)