The R graph is the graph on 6 vertices illustrated above.
It is implemented in the Wolfram Language as GraphData["RGraph"].
The R graph is the graph on 6 vertices illustrated above.
It is implemented in the Wolfram Language as GraphData["RGraph"].
Weisstein, Eric W. "R Graph." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RGraph.html