Number of vertices 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).

A358949

Number of vertices 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) =10a(2) =148a(3) =1111a(4) =9568a(5) =23770a(6) =126187a(7) =308401a(8) =855145a(9) =1521733a(10) =4591405a(11) =6831040

External references