59520825

Appears in sequences

• Triangle read by rows giving number of ways to glue sides of a 2n-gon so as to produce a surface of genus g.at n=35A035309
• Right-hand diagonal of A035309.at n=10A035318
• Number of rooted maps of genus n with one vertex and one face; the maps are considered on orientable surfaces and contain 2n edges.at n=5A035319
• Integer values of n!!/sum(i=0..n,n), with n>=1.at n=7A130332
• Number of rooted maps of genus 5 containing n edges.at n=0A238355
• Triangle T(n,k) read by rows: T(n,k) is the number of rooted genus-k maps with n edges, n>=0, 0<=k<=n.at n=60A238396
• 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 5.at n=0A269925
• a(n) is the number of rooted maps with n edges and one face on an orientable surface of genus 5.at n=0A288281