Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line.

A344857

Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =4a(4) =16a(5) =42a(6) =99a(7) =176a(8) =352a(9) =540a(10) =925a(11) =1152a(12) =2016a(13) =2534a(14) =3871a(15) =4608a(16) =6784a(17) =6984a(18) =11097a(19) =12580a(20) =17200a(21) =19250a(22) =25531a(23) =26016a(24) =36576a(25) =39988a(26) =50869a(27) =55076a(28) =68992a(29) =63570

External references