Number of chiral chord diagrams on n nodes.

A054938

Number of chiral chord diagrams on n nodes.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =26a(5) =348a(6) =4466a(7) =61726a(8) =949795a(9) =16331482a(10) =312298796a(11) =6587217199a(12) =152030203190

External references