Number of set partitions of [2n] where each subset is again partitioned into n nonempty subsets.
A324241
Number of set partitions of [2n] where each subset is again partitioned into n nonempty subsets.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =100a(4) =1736a(5) =42651a(6) =1324114a(7) =49330996a(8) =2141770488a(9) =106175420065
External references
- oeis: A324241