

A058719


Number of nonisomorphic loopless matroids of rank 3 on n labeled points.


2




OFFSET

3,2


REFERENCES

A. Evnin, An Elementary Introduction to Matroids, Mathematical Education, 2(33), 2005, 233.


LINKS

Table of n, a(n) for n=3..11.
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
A. Evnin, An Elementary Introduction to Matroids.


CROSSREFS

A diagonal of A058716.
Sequence in context: A211284 A211283 A333608 * A046661 A309105 A101197
Adjacent sequences: A058716 A058717 A058718 * A058720 A058721 A058722


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, Dec 31 2000


EXTENSIONS

a(9)a(11) Alexander Evnin, Dec 26 2008


STATUS

approved



