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.
W. M. B. Dukes, The number of matroids on a finite set, arXiv:math/0411557 [math.CO], 2004.
W. M. B. Dukes, On the number of matroids on a finite set, Séminaire Lotharingien de Combinatoire 51 (2004), Article B51g.
CROSSREFS
KEYWORD
nonn,nice
AUTHOR
N. J. A. Sloane, Dec 31 2000
EXTENSIONS
a(5) corrected by Petros Hadjicostas, Oct 09 2019
STATUS
approved