Number of tree-rooted toroidal maps with 3 faces and n vertices and without separating loops or isthmuses.
A006435
Number of tree-rooted toroidal maps with 3 faces and n vertices and without separating loops or isthmuses.
Terms
- a(0) =10a(1) =705a(2) =14478a(3) =154420a(4) =1092640a(5) =5826492a(6) =25240410a(7) =93203561a(8) =303143970a(9) =889015725
External references
- oeis: A006435