The BarnetteBosakLederbergGraph command creates the Barnette-Bosák-Lederberg graph.

The Barnette-Bosák-Lederberg graph is a 3-regular planar graph with 38 vertices and 57 edges which is not Hamiltonian.

$\mathrm{with}\left(\mathrm{GraphTheory}\right)\:$

$\mathrm{with}\left(\mathrm{SpecialGraphs}\right)\:$

$G≔\mathrm{BarnetteBosakLederbergGraph}\left(\right)$

$G≔\mathrm{Graph\; 1:\; an\; undirected\; graph\; with\; 38\; vertices\; and\; 57\; edge(s)}$

$\mathrm{IsRegular}\left(G\,'p'\right)$

$\mathrm{true}$

$p$

$3$

"Barnette-Bosák-Lederberg graph", Wikipedia. http://en.wikipedia.org/wiki/Barnette-Bosak-Lederberg_graph

The GraphTheory[SpecialGraphs][BarnetteBosakLederbergGraph] command was introduced in Maple 2020.

For more information on Maple 2020 changes, see Updates in Maple 2020.