Number of multigraphs on n labeled edges (with loops). Also number of genetically distinct states amongst n individuals.
A020555
Number of multigraphs on n labeled edges (with loops). Also number of genetically distinct states amongst n individuals.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =66a(4) =712a(5) =10457a(6) =198091a(7) =4659138a(8) =132315780a(9) =4441561814a(10) =173290498279
External references
- oeis: A020555