N=50 max sqrt(min(j,n-j))*atom = 1.5312 at j=23
N=100 max sqrt(min(j,n-j))*atom = 1.5967 at j=50
N=200 max sqrt(min(j,n-j))*atom = 1.6362 at j=100
N=400 max sqrt(min(j,n-j))*atom = 1.6707 at j=200
N=600 max sqrt(min(j,n-j))*atom = 1.6855 at j=299
N=800 max sqrt(min(j,n-j))*atom = 1.6919 at j=400
