k[1] = 53/100
k[2] = 9/1250
k[3] = 5/8
k[4] = 49/20000
k[5] = 63/2000
k[6] = 4/5
k[7] = 3/400
k[8] = 71/1000
k[9] = 23/25
k[10] = 61/50000
k[11] = 87/100
k[12] = 1
k[13] = 2
k[14] = 5/2
k[15] = 5/2
k[16] = 5/2
k[17] = 3