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;