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A058712 Number of loopless matroids on n labeled points. 2
1, 1, 2, 6, 27, 185, 2135, 55129, 10094077 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
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.
CROSSREFS
Row sums of A058710.
Sequence in context: A277611 A080839 A118085 * A011834 A003513 A113731
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 March 19 07:31 EDT 2024. Contains 370955 sequences. (Running on oeis4.)