Consider the spiral of Theodorus (A072895). This sequence gives the number of k successive triangles which is closer to 360 degrees than any previous k triangles.

A224269

Consider the spiral of Theodorus (A072895). This sequence gives the number of k successive triangles which is closer to 360 degrees than any previous k triangles.

Terms

    a(0) =17a(1) =53a(2) =185a(3) =396a(4) =4926a(5) =9086a(6) =20291a(7) =28083a(8) =440835a(9) =579644a(10) =1819320a(11) =3032895a(12) =8305458a(13) =15159436a(14) =29824343a(15) =46104922a(16) =88019569a(17) =89143145a(18) =94929121a(19) =107958869a(20) =227428224a(21) =402409536a(22) =527154160a(23) =2264800904a(24) =2742108435a(25) =3671508788a(26) =7794992942a(27) =52241735601a(28) =202972158380

External references