pappus_graph# pappus_graph()[source]# Returns the Pappus graph. The Pappus graph is a cubic symmetric distance-regular graph with 18 nodes and 27 edges. It is Hamiltonian and can be represented in LCF notation as [5,7,-7,7,-7,-5]^3 [1]. Returns: Gnetworkx GraphPappus graph References [1] https://en.wikipedia.org/wiki/Pappus_graph