Number of 4-colored labeled graphs on n nodes, divided by 4.
A000686
Number of 4-colored labeled graphs on n nodes, divided by 4.
Terms
- a(0) =1a(1) =7a(2) =85a(3) =1777a(4) =63601a(5) =3882817a(6) =403308865a(7) =71139019777
External references
- oeis: A000686