614404

Appears in sequences

• Number of genus 0 rooted maps with 5 faces and n vertices.at n=4A000473
• Number of rooted planar maps with n edges.at n=8A006294
• a(n) = Sum_{k=0..2*n} (k+1)*T(n,k), T given by A027960.at n=13A027981
• 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 0.at n=40A269920
• Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 5 faces on an orientable surface of genus g.at n=6A270409