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A058712 Number of loopless matroids on n labeled points. 2
1, 1, 2, 6, 27, 165, 2135, 55129, 10094077 (list; graph; refs; listen; history; text; internal format)
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.

Index entries for sequences related to matroids

CROSSREFS

Row sums of A058710.

Sequence in context: A122938 A234568 A231934 * A291979 A070076 A227222

Adjacent sequences:  A058709 A058710 A058711 * A058713 A058714 A058715

KEYWORD

nonn,nice

AUTHOR

N. J. A. Sloane, Dec 31 2000

STATUS

approved

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Last modified January 15 19:06 EST 2019. Contains 319171 sequences. (Running on oeis4.)