Number of linear extensions of a poset whose Hasse diagram consists of n binary shrubs with type B_n joins.
A293951
Number of linear extensions of a poset whose Hasse diagram consists of n binary shrubs with type B_n joins.
Terms
- a(0) =1a(1) =9a(2) =477a(3) =74601a(4) =25740261a(5) =16591655817
External references
- oeis: A293951