Number of labeled n-vertex graphs with a 2-component.
A093351
Number of labeled n-vertex graphs with a 2-component.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =3a(4) =9a(5) =65a(6) =885a(7) =20769a(8) =904799a(9) =75119535a(10) =12059144775
External references
- oeis: A093351