k1 = 111793/500; k2 = 697458556076807/10000000000000; k3 = 543495640383293/10000000000000; k4 = 37363363993623/10000000000000; k5 = 238199901996871/500000000000000; k6 = 218999259562791/500000000000; k7 = 78625095826789/200000000000000; k8 = 164090223390933/5000000000000000; k9 = 2519773503381/8000000000; k10 = 1; k11 = 9002187652053/62500000000000; k12 = 304372961307751/10000000000000000; k13 = 398630224594983/100000000000000; k14 = 302616535462863/500000000000000; k15 = 12504722108289/12500000000000; k16 = 136053256817049/50000000000000; k17 = 56664293021457/50000000000000; k18 = 144739142995561/500000000000000; k19 = 80645237284561/50000000000000; k20 = 435249427068347/50000000000000; k21 = 81960761465481/5000000000000000; k22 = 44857919268227/10000000000000; k23 = 216282986207003/250000000000000000; k24 = 32626727571413/12500000000000; k25 = 195326548276397/1000000000000000; k26 = 109145201434479/1000000000000000; k27 = 103940411358367/100000000000000000; k28 = 122822733556779/1000000000000000; k29 = 690292883004163/1000000000000000; k30 = 24999911030393/10000000000000; k31 = 2000000; k32 = 87695023971519/1250000000000000; k33 = 4019336667671/2500000000000; k34 = 36661530982123/625000000000000; k35 = 1250492172809/1250000000000000; k36 = 514084012175461/1000000000000000000; k37 = 480202699360057/100000000000000000; k38 = 20480365946897/20000000000000000; k39 = 498548548076033/100000000000000; k40 = 495559496701657/100000000000000; k41 = 441227519053011/500000000000000; k42 = 481424700307387/100000000000000; k43 = 360091117317657/500000000000000; k44 = 523181439900629/100000000000000000; k45 = 495079032741951/5000000000000000; k46 = 18094811/50000000000; k47 = 702084429115441/100000000000000000; k48 = 1651299147292000/6476343991983493; k49 = 2; k50 = 1;