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A058721 Number of simple matroids on n labeled points. 1
1, 2, 7, 49, 733, 29760, 9000402 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..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.

Index entries for sequences related to matroids

CROSSREFS

Row sums of A058720.

Sequence in context: A293043 A186860 A139008 * A086902 A265042 A249754

Adjacent sequences:  A058718 A058719 A058720 * A058722 A058723 A058724

KEYWORD

nonn,nice

AUTHOR

N. J. A. Sloane, Dec 31 2000

STATUS

approved

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Last modified October 20 07:17 EDT 2018. Contains 316378 sequences. (Running on oeis4.)