3392843

Appears in sequences

• Number of rooted genus-1 maps with n edges.at n=6A006297
• 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=24A269921
• Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 4 faces on an orientable surface of genus g.at n=10A270408
• a(n) is the number of rooted maps with n edges and 4 faces on an orientable surface of genus 1.at n=3A288071