Number of cyclic multigraphs on n labeled edges (with loops).
A020563
Number of cyclic multigraphs on n labeled edges (with loops).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =68a(4) =750a(5) =11178a(6) =213895a(7) =5068102a(8) =144746329a(9) =4880572564a(10) =191104219619
External references
- oeis: A020563