Number of connected labeled graphs with n edges and n nodes.
A057500
Number of connected labeled graphs with n edges and n nodes.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =15a(4) =222a(5) =3660a(6) =68295a(7) =1436568a(8) =33779340a(9) =880107840a(10) =25201854045a(11) =787368574080
External references
- oeis: A057500