a(n) = number of chord labeled loopless diagrams by number of K_3.

A348813

a(n) = number of chord labeled loopless diagrams by number of K_3.

Terms

    a(0) =0a(1) =1a(2) =22a(3) =1415a(4) =140343a(5) =20167651a(6) =3980871156

External references