Number of nonequivalent directed unicursal star polygons (no edge joins adjacent vertices) that can be formed by connecting the vertices of a regular n-gon up to rotations.
A370068
Number of nonequivalent directed unicursal star polygons (no edge joins adjacent vertices) that can be formed by connecting the vertices of a regular n-gon up to rotations.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =1a(6) =10a(7) =47a(8) =350a(9) =3005a(10) =28722a(11) =302519a(12) =3471738a(13) =43181993a(14) =578730766a(15) =8317664191a(16) =127644961618
External references
- oeis: A370068