Number of labeled monoids of order n with a fixed identity.
A058154
Number of labeled monoids of order n with a fixed identity.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =156a(4) =4122a(5) =208672a(6) =18507440a(7) =7892741602
External references
- oeis: A058154