Number of connected planar regular graphs on 2n vertices with girth at least 4.

A255600

Number of connected planar regular graphs on 2n vertices with girth at least 4.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =39a(6) =154a(7) =638a(8) =3047a(9) =15415a(10) =82252a(11) =451900

External references