Number of isomorphism classes of simply embedded (i.e., loop-free and without parallel edges bounding a disk) quadrangulations of RP^2 of minimum degree 3 with n nodes and n-1 faces.
A187013
Number of isomorphism classes of simply embedded (i.e., loop-free and without parallel edges bounding a disk) quadrangulations of RP^2 of minimum degree 3 with n nodes and n-1 faces.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =3a(4) =6a(5) =12a(6) =37a(7) =95a(8) =293a(9) =923a(10) =3086a(11) =10504a(12) =36954a(13) =131590a(14) =475793
External references
- oeis: A187013