Number of forests of trees on n labeled nodes.
A001858
Number of forests of trees on n labeled nodes.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =38a(5) =291a(6) =2932a(7) =36961a(8) =561948a(9) =10026505a(10) =205608536a(11) =4767440679a(12) =123373203208
External references
- oeis: A001858