k[1] = 3059083435631/2500000000000
k[2] = 252271673469673/50000000000000
k[3] = 31979/5000
k[4] = 110672040842443/125000000000000
k[5] = 423002048244947/5000000000000000
k[6] = 78461619249561/250000000000000
k[7] = 6444459494491/40000000000000
k[8] = 222636680929471/1000000000000000
k[9] = 165742251604843/500000000000000
k[10] = 58968033829993/200000000000000
k[11] = 17468789247409/125000000000000
k[12] = 4254788500101/15625000000000
k[13] = 295420749525813/1000000000000000
k[14] = 0
k[15] = 6
k[16] = 18
k[17] = 39044098978571/4000000000000
k[18] = 1
k[19] = 1