A118450 Number of rooted n-edge one-vertex one-face maps on a non-orientable surface (of genus n).

1, 4, 41, 488, 8229, 164892, 4016613, 112818960

Offset: 1

Author

Valery A. Liskovets, May 04 2006

Keywords

• more
• nonn

Comments

One-vertex one-face maps on orientable surfaces are counted by A035319.

References

• E. R. Canfield, Calculating the number of rooted maps on a surface, Congr. Numerantium, 76 (1990), 21-34.
• D. M. Jackson and T. I. Visentin, An atlas of the smaller maps in orientable and nonorientable surfaces. CRC Press, Boca Raton, 2001.

Crossrefs

Main diagonal of A267180.

Cf. A035319.

Extensions

a(7)-a(8) added by Andrew Howroyd, Jan 16 2022