A323279 Number of 3-regular maps on the Klein bottle with n vertices.
6, 174, 4236, 97134, 2163636, 47394444, 1027091736, 22094309934, 472740763236, 10074173087364
Offset: 1
Links
- Evgeniy Krasko, Alexander Omelchenko, Enumeration of r-regular maps on the torus. Part I: Rooted maps on the torus, the projective plane and the Klein bottle. Sensed maps on the torus, Discrete Mathematics (2019) Vol. 342, Issue 2, 584-599. Also arXiv:1709.03225 [math.CO]. See Table 3.