A subclass of 2n-node trivalent planar graphs without triangles.
A006796
A subclass of 2n-node trivalent planar graphs without triangles.
Terms
- a(0) =2a(1) =3a(2) =8a(3) =22a(4) =77a(5) =285a(6) =1259a(7) =5863a(8) =29322a(9) =151308
External references
- oeis: A006796