Number of rooted 2n-regular planar maps with 3 vertices.

A380243

Number of rooted 2n-regular planar maps with 3 vertices.

Terms

    a(0) =1a(1) =54a(2) =3000a(3) =171500a(4) =10001880a(5) =591666768a(6) =35371207872

External references