A361140 Number of rooted bipartite maps of genus 1 with n edges.

0, 0, 4, 63, 720, 7254, 68460, 621315, 5496208, 47759130, 409620156, 3478672642, 29315742924, 245539064736, 2046309441924, 16983591315267

Offset: 1

Author

R. J. Mathar, Mar 02 2023

Keywords

• nonn
• more

Links

• Valentin Bonzom, Guillaume Chapuy, and Maciej Dolega, Enumeration of non-oriented maps via integrability, Alg. Combin. 5 (6) (2022) pp. 1363-1390, A.2.

Crossrefs

Cf. A000257 (genus 0).