k[1] = 257/500
k[2] = 1/500000000
k[3] = 1101/10000000000
k[4] = 1101/10000000000000
k[5] = 1101/1000000000000
k[6] = 13000
k[7] = 103/2500
k[8] = 1711/5000000000000
k[9] = 249/2000
k[10] = 20193000
k[11] = 11/100000000
k[12] = 171/500000000000
k[13] = 1/50
k[14] = 7/20
k[15] = 1
k[16] = 3/2
k[17] = 1
k[18] = 100000000
k[19] = 1