Number of labeled cyclic chord diagrams with n chords such that every chord has length at least four.
A324430
Number of labeled cyclic chord diagrams with n chords such that every chord has length at least four.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =11a(6) =159a(7) =2488a(8) =43169a(9) =822113a(10) =17066007a(11) =384422661a(12) =9357185385a(13) =245099146171
External references
- oeis: A324430