Number of ordered partitions of an n-set into blocks of size <= n/2.
A368512
Number of ordered partitions of an n-set into blocks of size <= n/2.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =6a(4) =66a(5) =450a(6) =4550a(7) =45570a(8) =543130a(9) =7044450a(10) =102177222a(11) =1621316466a(12) =28089336198a(13) =526810157874
External references
- oeis: A368512