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A234268
Number of convex topologies on an n-point totally ordered set.
0
1, 4, 21, 129, 876, 6376, 48829, 388771, 3191849, 26864936
OFFSET
1,2
LINKS
Tyler Clark and Tom Richmond, The Number of Convex Topologies on a Finite Totally Ordered Set, 2013, Involve, Vol. 8 (2015), No. 1, 25-32.
CROSSREFS
Sequence in context: A300674 A371430 A232956 * A111177 A141052 A058308
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Dec 24 2013
STATUS
approved