The number of regions formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter.
A358782
The number of regions formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter.
Terms
- a(0) =1a(1) =7a(2) =12a(3) =66a(4) =85a(5) =281a(6) =264a(7) =802a(8) =821a(9) =1893a(10) =1740a(11) =3810a(12) =3725a(13) =6871a(14) =6448a(15) =11748a(16) =11125a(17) =18317a(18) =17160a(19) =27616a(20) =26797a(21) =40067a(22) =37176a(23) =56826a(24) =54653a(25) =77707a(26) =74788a(27) =103734a(28) =101041a(29) =136835
External references
- oeis: A358782