Number of intersection types when n circular arcs pass through a single point, reduced for symmetry.
A387988
Number of intersection types when n circular arcs pass through a single point, reduced for symmetry.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =15a(4) =33a(5) =89a(6) =227a(7) =653a(8) =1869a(9) =5639a(10) =17097a(11) =53152a(12) =166083a(13) =525243a(14) =1668847
External references
- oeis: A387988