A215621 Number of nonplanar apex graphs on n vertices.

0, 0, 0, 0, 1, 13, 204, 4700, 147063, 5669609

Offset: 1

Author

Eric W. Weisstein, Aug 17 2012

Keywords

• nonn
• more

Links

• Eric Weisstein's World of Mathematics, Apex Graph
• Eric Weisstein's World of Mathematics, Nonplanar Graph

Crossrefs

Cf. A215620 (counts of all apex graphs, including planar ones).

Extensions

a(10) from Eric W. Weisstein, Aug 20 2012