Number of convex topologies on an n-point totally ordered set.
A234268
Number of convex topologies on an n-point totally ordered set.
Terms
- a(0) =1a(1) =4a(2) =21a(3) =129a(4) =876a(5) =6376a(6) =48829a(7) =388771a(8) =3191849a(9) =26864936
External references
- oeis: A234268