Labeled simple graphs with n nodes and n-1 edges that are not trees.
A189831
Labeled simple graphs with n nodes and n-1 edges that are not trees.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =4a(4) =85a(5) =1707a(6) =37457a(7) =921896a(8) =25477371a(9) =786163135a(10) =26890701739
External references
- oeis: A189831