Number of regular graphs with loops on n labeled vertices.
A322635
Number of regular graphs with loops on n labeled vertices.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =24a(4) =78a(5) =1908a(6) =23368a(7) =1961200a(8) =75942758a(9) =25703384940
External references
- oeis: A322635