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

A344899

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

Terms

    a(0) =0a(1) =1a(2) =3a(3) =8a(4) =30a(5) =78a(6) =189a(7) =320a(8) =684a(9) =1010a(10) =1815a(11) =2052a(12) =3978a(13) =4718a(14) =7665a(15) =8576a(16) =13464a(17) =12546a(18) =22059a(19) =23720a(20) =34230a(21) =36542a(22) =50853a(23) =47928a(24) =72900a(25) =76466a(26) =101439a(27) =105560a(28) =137634a(29) =115230

External references