The number of regions inside a 2 by 1 ellipse formed by the straight line segments mutually connecting all points formed by dividing the ellipse into 2n equal angle sectors from its origin.
A341688
The number of regions inside a 2 by 1 ellipse formed by the straight line segments mutually connecting all points formed by dividing the ellipse into 2n equal angle sectors from its origin.
Terms
- a(0) =0a(1) =4a(2) =24a(3) =84a(4) =232a(5) =524a(6) =1052a(7) =1868a(8) =3144a(9) =4876a(10) =7440a(11) =10724a(12) =15124a(13) =20604a(14) =27632a(15) =36124a(16) =46672a(17) =59108a(18) =74184a(19) =91488a(20) =112380a(21) =136044a(22) =163724a(23) =194924a(24) =230932a(25) =271124a(26) =316992a(27) =367748a(28) =425124a(29) =488116
External references
- oeis: A341688