Number of blocks of size >= four in all set partitions of n.
A288786
Number of blocks of size >= four in all set partitions of n.
Terms
- a(0) =1a(1) =6a(2) =37a(3) =225a(4) =1395a(5) =8944a(6) =59585a(7) =413117a(8) =2981310a(9) =22380814a(10) =174600298a(11) =1413841252a(12) =11868587577a(13) =103155618776a(14) =927141821215
External references
- oeis: A288786