Number of regions formed when n points are placed in general position on each edge of a square and a chord is drawn from each point to the 3*n points on the other three sides.
A392172
Number of regions formed when n points are placed in general position on each edge of a square and a chord is drawn from each point to the 3*n points on the other three sides.
Terms
- a(0) =1a(1) =8a(2) =95a(3) =514a(4) =1721a(5) =4376a(6) =9343a(7) =17690a(8) =30689a(9) =49816a(10) =76751a(11) =113378a(12) =161785a(13) =224264a(14) =303311a(15) =401626a(16) =522113a(17) =667880a(18) =842239a(19) =1048706a(20) =1291001a(21) =1573048a(22) =1898975a(23) =2273114a(24) =2700001a(25) =3184376a(26) =3731183a(27) =4345570a(28) =5032889a(29) =5798696
External references
- oeis: A392172