Number of ordered partitions of an n-set into blocks of size <= sqrt(n).
A368511
Number of ordered partitions of an n-set into blocks of size <= sqrt(n).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =66a(5) =450a(6) =3690a(7) =35280a(8) =385560a(9) =6717480a(10) =96117000a(11) =1512819000a(12) =25975395600a(13) =483169486800
External references
- oeis: A368511