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A058687 Number of matroids of rank 3 on n labeled points. 1
1, 15, 171, 2053, 33442, 1022217 (list; graph; refs; listen; history; internal format)
OFFSET

3,2

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

A diagonal of A058669.

Sequence in context: A206600 A016172 A016225 * A206594 A152586 A082678

Adjacent sequences:  A058684 A058685 A058686 * A058688 A058689 A058690

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 08:44 EST 2012. Contains 205998 sequences.