k1 = 2/78125 k2 = 8/3125 k3 = 663/100 k4 = 21/12500 k5 = 3/3125 k6 = 3/2000 k7 = 23/25000 k8 = 19/10000 k9 = 8/3125 k10 = 1/2 k11 = 21/12500 k12 = 663/100 k13 = 1/200 k14 = 1/2 k15 = 1/200 k16 = 1/2 k17 = 1/200 k18 = 1/2 k19 = 1 k20 = 1 k21 = 21/100 k22 = 1/2 k23 = 269/1000000000000000 k24 = 113/1000000000000000 k26 = 15000783/5000000 k25 = 30090063/10000000 k28 = 95581/10000000 k27 = 16993/10000000 k30 = 48641/5000000 k29 = 501987/10000000