Number of loopless linear chord diagrams with n chords.
A278990
Number of loopless linear chord diagrams with n chords.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =5a(4) =36a(5) =329a(6) =3655a(7) =47844a(8) =721315a(9) =12310199a(10) =234615096a(11) =4939227215a(12) =113836841041
External references
- oeis: A278990