160680
domain: N
Appears in sequences
- Number of rooted n-edge one-vertex maps on a non-orientable genus-4 surface (dually: one-face maps).at n=3A118449
- Number of rooted maps with n vertices and 3 faces on a non-orientable surface of type 2.at n=1A214805
- Triangle read by rows: T(n,k) = number of rooted maps with n vertices and k faces on a non-orientable surface of type 2 (0 <= k <= n).at n=7A214806