If the number of the vertices are even, we can determine regular triangle free graphs up to half the number of vertices of any degree. However, this does not hold true if the vertices numbers are odd. Some of the examples of even vertices graphs are Petersen graph (10 vertices), Heawood graph (14 vertices), Clebsch graph (16 vertices), Pappus graph (18 vertices) and odd vertices graph includes Schläfli graph (27 vertices), Perkel graph (57 vertices). 800 numbers
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CSI of Charles University
If the number of the
If the number of the vertices are even, we can determine regular triangle free graphs up to half the number of vertices of any degree. However, this does not hold true if the vertices numbers are odd. Some of the examples of even vertices graphs are Petersen graph (10 vertices), Heawood graph (14 vertices), Clebsch graph (16 vertices), Pappus graph (18 vertices) and odd vertices graph includes Schläfli graph (27 vertices), Perkel graph (57 vertices). 800 numbers