Number of 4-connected unlabeled n-node graphs.
A086216
Number of 4-connected unlabeled n-node graphs.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =4a(6) =25a(7) =384a(8) =14480a(9) =1211735a(10) =184649399a(11) =47952362294
External references
- oeis: A086216