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A058673 Number of matroids on n labeled points. 2
1, 2, 5, 16, 68, 406, 3807, 75164, 10607540 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

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.

Index entries for sequences related to matroids

CROSSREFS

Row sums of A058669. Closely related to A114491.

Sequence in context: A122082 A002631 A107948 * A059295 A129092 A110710

Adjacent sequences:  A058670 A058671 A058672 * A058674 A058675 A058676

KEYWORD

nonn,nice,more

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 30 2000

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.