Consider the family of multigraphs enriched by the species of endofunctions. Sequence gives number of those multigraphs with n arcs.
A099711
Consider the family of multigraphs enriched by the species of endofunctions. Sequence gives number of those multigraphs with n arcs.
Terms
- a(0) =1a(1) =1a(2) =10a(3) =167a(4) =4030a(5) =130187a(6) =5362052a(7) =272062457a(8) =16573460092
External references
- oeis: A099711