Number of polygons formed outside an n X n square when connecting all 4n points on the perimeter of the square by infinite lines.

A345648

Number of polygons formed outside an n X n square when connecting all 4n points on the perimeter of the square by infinite lines.

Terms

    a(0) =0a(1) =0a(2) =24a(3) =228a(4) =904a(5) =2788a(6) =5880a(7) =13008a(8) =22120a(9) =37976a(10) =58584a(11) =95472a(12) =125016a(13) =195816a(14) =255064a(15) =337916a(16) =444760a(17) =611760a(18) =719800a(19) =978388a(20) =1127088a(21) =1411756a(22) =1736776a(23) =2174584a(24) =2389552a(25) =2995336a(26) =3504768

External references