The number of ways to build all endofunctions on each block of every set partition of {1,2,...,n}.
A202477
The number of ways to build all endofunctions on each block of every set partition of {1,2,...,n}.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =40a(4) =437a(5) =6036a(6) =100657a(7) =1965160a(8) =43937385a(9) =1106488720a(10) =30982333661a(11) =954607270464
External references
- oeis: A202477