Number of (n - 6)-dissections of an n-gon (equivalently, the number of three-dimensional faces of the (n-3)-dimensional associahedron) modulo the cyclic action.
A220882
Number of (n - 6)-dissections of an n-gon (equivalently, the number of three-dimensional faces of the (n-3)-dimensional associahedron) modulo the cyclic action.
Terms
- a(0) =1a(1) =2a(2) =16a(3) =93a(4) =505a(5) =2548a(6) =12400a(7) =58140a(8) =266550a(9) =1198564a(10) =5312032a(11) =23263695a(12) =100910001a(13) =434217000a(14) =1855972096a(15) =7887862224a(16) =33359979546a(17) =140492933100a(18) =589495272736
External references
- oeis: A220882