Partials sums of A003094 (unlabeled connected planar simple graphs with n nodes).
A173422
Partials sums of A003094 (unlabeled connected planar simple graphs with n nodes).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =31a(6) =130a(7) =776a(8) =6750a(9) =78635a(10) =1131440a(11) =18580739a(12) =331953037
External references
- oeis: A173422