Number of isomorphism classes of simply embedded (i.e., loop-free and without parallel edges bounding a disk) bipartite quadrangulations of RP^2 of minimum degree 3 with n nodes and n-1 faces.

A187014

Number of isomorphism classes of simply embedded (i.e., loop-free and without parallel edges bounding a disk) bipartite quadrangulations of RP^2 of minimum degree 3 with n nodes and n-1 faces.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =2a(4) =3a(5) =7a(6) =22a(7) =57a(8) =174a(9) =554a(10) =1848a(11) =6291a(12) =22052a(13) =78361a(14) =282420

External references