a(n) is the number of endofunctions on an n-set where there is a single element with a preimage of maximum cardinality.
A365061
a(n) is the number of endofunctions on an n-set where there is a single element with a preimage of maximum cardinality.
Terms
- a(0) =1a(1) =2a(2) =21a(3) =196a(4) =2105a(5) =27636a(6) =451003a(7) =8938056a(8) =207358929a(9) =5451691060a(10) =158802143621
External references
- oeis: A365061