A361139 Number of rooted bipartite maps of genus 1/2 with n edges.
0, 1, 9, 69, 510, 3738, 27405, 201569, 1488762, 11043318, 82257890, 615092178, 4615882908, 34752865332, 262437282621, 1987229885913
Offset: 1
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).