Number of polygon edges formed when every pair of vertices of a regular (2n-1)-gon are joined by an infinite line.

A344907

Number of polygon edges formed when every pair of vertices of a regular (2n-1)-gon are joined by an infinite line.

Terms

    a(0) =0a(1) =3a(2) =30a(3) =189a(4) =684a(5) =1815a(6) =3978a(7) =7665a(8) =13464a(9) =22059a(10) =34230a(11) =50853a(12) =72900a(13) =101439a(14) =137634a(15) =182745a(16) =238128a(17) =305235a(18) =385614a(19) =480909a(20) =592860a(21) =723303a(22) =874170a(23) =1047489a(24) =1245384a(25) =1470075a(26) =1723878a(27) =2009205a(28) =2328564a(29) =2684559

External references