The sum of the largest preimage over all functions f:{1,2,...,n}->{1,2,...,n}.
A208250
The sum of the largest preimage over all functions f:{1,2,...,n}->{1,2,...,n}.
Terms
- a(0) =0a(1) =1a(2) =6a(3) =51a(4) =544a(5) =7145a(6) =112356a(7) =2066323a(8) =43574336a(9) =1036922769a(10) =27486891100a(11) =803137535321
External references
- oeis: A208250