Number of polygons formed outside a regular n-gon when every pair of vertices of the n-gon are joined by an infinite line.
A344311
Number of polygons formed outside a regular n-gon when every pair of vertices of the n-gon are joined by an infinite line.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =5a(5) =18a(6) =49a(7) =96a(8) =198a(9) =320a(10) =550a(11) =708a(12) =1235a(13) =1582a(14) =2415a(15) =2912a(16) =4284a(17) =4518a(18) =7068a(19) =8080a(20) =11025a(21) =12430a(22) =16445a(23) =16992a(24) =23650a(25) =26000a(26) =32994a(27) =35896a(28) =44863a(29) =42090
External references
- oeis: A344311