Number of 6-regular maps with n vertices on the torus, up to orientation-preserving and orientation-reversing isomorphisms.
A292110
Number of 6-regular maps with n vertices on the torus, up to orientation-preserving and orientation-reversing isomorphisms.
Terms
- a(0) =3a(1) =61a(2) =1936a(3) =89986a(4) =4791784a(5) =272005507a(6) =15929826713a(7) =951610091294
External references
- oeis: A292110