Number of unlabeled 2-connected graphs with n vertices rooted at a pair of noninterchangeable vertices.
A340028
Number of unlabeled 2-connected graphs with n vertices rooted at a pair of noninterchangeable vertices.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =7a(4) =55a(5) =655a(6) =11147a(7) =287791a(8) =11787747a(9) =804475261a(10) =94875366649
External references
- oeis: A340028