2762412

Appears in sequences

• Number of genus 0 rooted planar maps with 4 faces and n vertices.at n=6A000365
• 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=12A270408
• 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=4A270411