A subclass of 2n-node trivalent planar graphs without triangles.
A006795
A subclass of 2n-node trivalent planar graphs without triangles.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =43a(4) =212a(5) =1115a(6) =6156a(7) =34693a(8) =199076
External references
- oeis: A006795