Convex Hulls of Solutions for N=40 .. 50listed at N.J.A Sloane's Web PageMinimum Edges: Gold. Other (longer) Edges: Blue | 
        
        
  | 
|          40;0.5706802  | 
                         41;0.5634956  | 
                         42;0.5597650  | 
                         43;0.5527949  | 
|          44;0.5509965  | 
                         45;0.5399084  | 
                         46;0.5337899  | 
                         47;0.5308062  | 
|          48;0.5304860  | 
                         49;0.5163497  | 
                         50;0.5134721  | 
                
 15;0.9026561  | 
All Pictures Copyright © Hugo Pfoertner, 2001