Number of edges formed inside a triangle with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,k)/A006843(n,k), k = 1..A005728(n).

A358950

Number of edges formed inside a triangle with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,k)/A006843(n,k), k = 1..A005728(n).

Terms

    a(0) =3a(1) =21a(2) =375a(3) =2574a(4) =22083a(5) =52791a(6) =279750a(7) =673050a(8) =1851816a(9) =3272058a(10) =9865560a(11) =14592537

External references