Number of labeled connected graphs with n edges (the vertices are {1,2,...,k} for some k).
A322137
Number of labeled connected graphs with n edges (the vertices are {1,2,...,k} for some k).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =17a(4) =140a(5) =1524a(6) =20673a(7) =336259a(8) =6382302a(9) =138525780a(10) =3384988809a(11) =91976158434
External references
- oeis: A322137