Number of vertices among all distinct circles that can be constructed from a point on the origin and n equally spaced points on each of the +x,-x,+y,-y coordinates axes using only a compass.

A354605

Number of vertices among all distinct circles that can be constructed from a point on the origin and n equally spaced points on each of the +x,-x,+y,-y coordinates axes using only a compass.

Terms

    a(0) =101a(1) =1145a(2) =5001a(3) =13753a(4) =34497a(5) =72185a(6) =135157a(7) =224321

External references