Number of unlabeled nonseparable (or 2-connected) loopless multigraphs with circuit rank n and degree >= 3 at each node.
A360879
Number of unlabeled nonseparable (or 2-connected) loopless multigraphs with circuit rank n and degree >= 3 at each node.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =17a(4) =118a(5) =1198a(6) =17133a(7) =311757a(8) =6803203
External references
- oeis: A360879