k1 = 1
k2 = 11/20
k3 = 6/5
k4 = 2/625
k5 = 19/5000
k6 = 7/4
k7 = 3/2000
k8 = 17/10000
k9 = 143/100
k10 = 3/2000
k11 = 3/20
k12 = 59/25
k13 = 49/10
k14 = 23/20
k15 = 1/10
k16 = 1/4