155088

Appears in sequences

• Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=35A344857
• A344857(2*n).at n=17A347320
• Irregular table read by rows: T(n,k) = number of k-gons, k >= 3, 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,m)/A006843(n,m), m = 1..A005728(n).at n=26A358951