Number of set partitions of [n] where each subset is again partitioned into five nonempty subsets.
A327506
Number of set partitions of [n] where each subset is again partitioned into five nonempty subsets.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =15a(7) =140a(8) =1050a(9) =6951a(10) =42651a(11) =253660a(12) =1594230a(13) =12463451a(14) =134921787a(15) =1806386946a(16) =25524454410a(17) =354189159871
External references
- oeis: A327506