Number of labeled connected loop-graphs with n vertices, none isolated, and at most n edges.
A369197
Number of labeled connected loop-graphs with n vertices, none isolated, and at most n edges.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =95a(5) =972a(6) =12732a(7) =202751a(8) =3795864a(9) =81609030a(10) =1980107840a(11) =53497226337
External references
- oeis: A369197