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

A347322

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

Terms

    a(0) =1a(1) =8a(2) =78a(3) =320a(4) =1010a(5) =2052a(6) =4718a(7) =8576a(8) =12546a(9) =23720a(10) =36542a(11) =47928a(12) =76466a(13) =105560a(14) =115230a(15) =188672a(16) =245378a(17) =294948a(18) =395390a(19) =491840a(20) =544950a(21) =737528a(22) =890606a(23) =1018032a(24) =1266050a(25) =1492712a(26) =1681290a(27) =2037056a(28) =2359730a(29) =2535060

External references