|
| |
|
|
A058718
|
|
Number of nonisomorphic loopless matroids on n unlabeled points.
|
|
3
| | |
|
|
|
OFFSET
| 0,3
|
|
|
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.
Gordon Royle and Dillon Mayhew, 9-element matroids
Index entries for sequences related to matroids
|
|
|
CROSSREFS
| Row sums of A058716.
Sequence in context: A123458 A048194 A148075 * A148076 A156801 A057580
Adjacent sequences: A058715 A058716 A058717 * A058719 A058720 A058721
|
|
|
KEYWORD
| nonn,nice
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Dec 31 2000
|
|
|
EXTENSIONS
| a(9) from Gordon Royle, Dec 23 2006
|
| |
|
|