k1 = 1 k2 = 174087/100000000 k3 = 907541/100000 k4 = 81033/250000 k5 = 208769/500000 k6 = 129843/500000 k7 = 39243/10000000 k8 = 300019/1000000 k9 = 981611/10000000 k10 = 426767/100000000 k11 = 116389/10000000 k12 = 14491/1250000 k13 = 100 k14 = 24 k15 = 209