Place n equally spaced points on the circumference of a circle of radius r and then connect each pair of points with straight lines whose intersections create A007569(n) - n additional points. Draw a circle of radius r around each of the A007569(n) points. The sequence gives the total number of vertices formed from all circle intersections.

A374825

Place n equally spaced points on the circumference of a circle of radius r and then connect each pair of points with straight lines whose intersections create A007569(n) - n additional points. Draw a circle of radius r around each of the A007569(n) points. The sequence gives the total number of vertices formed from all circle intersections.

Terms

    a(0) =0a(1) =1a(2) =4a(3) =13a(4) =71a(5) =313a(6) =1625a(7) =3073a(8) =17443a(9) =28601a(10) =115094a(11) =95965a(12) =527463a(13) =587441

External references