Table 2: Optimal γ values ( ) for different number of nodes in one cluster. Achieved entropy ( ) and maximal entropy ( ).

10 25 50 100
0.167 0.082 0.049 0.027
1.67 2.05 2.45 2.7
3.281 4.410 5.312 6.218
3.322 4.644 5.644 6.644