3944928
domain: N
Appears in sequences
- Number of genus 1 rooted maps with 2 faces with n vertices.at n=6A006295
- Triangle read by rows: T(n,f) is the number of rooted maps with n edges and f faces on an orientable surface of genus 1.at n=29A269921
- Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 2 faces on an orientable surface of genus g.at n=21A270406
- Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 7 faces on an orientable surface of genus g.at n=5A270411
- a(n) is the number of rooted maps with n edges and 7 faces on an orientable surface of genus 1.at n=1A287047