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 when each pair of points is connected by a circle and where the points lie at the ends of the circles' diameter.

A362233

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 when each pair of points is connected by a circle and where the points lie at the ends of the circles' diameter.

Terms

    a(0) =17a(1) =249a(2) =1381a(3) =4745a(4) =12581a(5) =26861a(6) =51649a(7) =89357a(8) =145501a(9) =225621a(10) =335497

External references