# r_number	log_k     
8         	-0.67549235
9         	-0.67626661
10        	-0.67647213
11        	-0.68203932
12        	-0.68784314
13        	-0.70691133
14        	-0.70823681
16        	-0.71083641
17        	-0.71085274
18        	-0.7098949
19        	-0.71316993
20        	-0.71179193
21        	-0.82279223
22        	-0.82289416
23        	-0.82351077
24        	-0.82403904
25        	-0.82599753
26        	-0.82598841
27        	-0.82600743
29        	-0.82600868
30        	-0.82722884
31        	nan       
32        	nan       
33        	nan       
34        	nan       
35        	nan       
36        	-0.77571869
37        	-0.77566528
39        	1.1646503 
40        	1.1646503 
41        	0.13217357
42        	0.13217357
43        	1.4633121 
44        	1.463352  
45        	1.4632318 
