Inscribe two circles of curvature 2 inside a circle of curvature -1. Sequence gives curvatures of the smallest circles that can be sequentially inscribed in such a diagram.

A060790

Inscribe two circles of curvature 2 inside a circle of curvature -1. Sequence gives curvatures of the smallest circles that can be sequentially inscribed in such a diagram.

Terms

    a(0) =-1a(1) =2a(2) =2a(3) =3a(4) =15a(5) =38a(6) =110a(7) =323a(8) =927a(9) =2682a(10) =7754a(11) =22403a(12) =64751a(13) =187134a(14) =540822a(15) =1563011a(16) =4517183a(17) =13054898a(18) =37729362a(19) =109039875a(20) =315131087a(21) =910745750a(22) =2632104062a(23) =7606921923a(24) =21984412383a(25) =63536130986a(26) =183622826522a(27) =530679817859

External references