Number of ways to choose a stable partition of an antichain of sets spanning n vertices.
A322063
Number of ways to choose a stable partition of an antichain of sets spanning n vertices.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =25a(4) =773a(5) =160105a(6) =848430433
External references
- oeis: A322063