The Grünbaum
graph is the term used in this work for the Levi graph
of the Grünbaum 204 configuration.
It is a bipartite graph and quartic
graph with 40 vertices and 80 edges.
Grünbaum 20_4 Graph
See also
Grünbaum 204 Configuration, Grünbaum-Rigby GraphExplore with Wolfram|Alpha
References
Grünbaum, B. "Musings on an Example of Danzer's." Europ. J. Combin. 29, 1910-1918, 2008. https://doi.org/10.1016/j.ejc.2008.01.004.Cite this as:
Weisstein, Eric W. "Grünbaum 20_4 Graph." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Gruenbaum20-4Graph.html