126264820

Appears in sequences

• Number of genus 1 rooted maps with 2 faces with n vertices.at n=8A006295
• 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=31A270406
• a(n) is the number of rooted maps with n edges and 9 faces on an orientable surface of genus 1.at n=1A288073