N=   10  optimised delta=0.40806  bound F<=1.26825   | generic delta (claimed formula)=0.68606  bound=2.08157  | 8k/sqrtN+16k^2/N=2.18535
N=   30  optimised delta=0.15866  bound F<=0.53863   | generic delta (claimed formula)=0.52639  bound=1.61443  | 8k/sqrtN+16k^2/N=1.11144
N=  100  optimised delta=0.13397  bound F<=0.46641   | generic delta (claimed formula)=0.35811  bound=1.12214  | 8k/sqrtN+16k^2/N=0.55791
N=  300  optimised delta=0.08116  bound F<=0.31189   | generic delta (claimed formula)=0.23494  bound=0.76178  | 8k/sqrtN+16k^2/N=0.30708
N= 1000  optimised delta=0.03775  bound F<=0.18490   | generic delta (claimed formula)=0.14024  bound=0.48473  | 8k/sqrtN+16k^2/N=0.16311
N= 3000  optimised delta=0.02043  bound F<=0.13422   | generic delta (claimed formula)=0.08481  bound=0.32258  | 8k/sqrtN+16k^2/N=0.09267
