Number of regions 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).

A358948

Number of regions 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) =1a(1) =12a(2) =228a(3) =1464a(4) =12516a(5) =29022a(6) =153564a(7) =364650a(8) =996672a(9) =1750326a(10) =5274156a(11) =7761498

External references