Number of knot polyhedra with 2n nodes.

Terms

a(0) =0a(1) =1a(2) =0a(3) =3a(4) =4a(5) =22a(6) =70a(7) =482a(8) =2955a(9) =17907a(10) =114642a(11) =825097a(12) =5843386a(13) =41036436a(14) =297986872