k[1] = 31/25
k[2] = 23000000000
k[3] = 27/25
k[4] = 1900000000000
k[5] = 1
k[6] = 1
k[7] = 240000000000
k[8] = 2600000000000
k[9] = 9/200
k[10] = 10000000000
k[11] = 10000000000
k[12] = 7/250
k[13] = 7/250
k[14] = 7/250
k[15] = 1
k[16] = 9/2500000000000
k[17] = 11/200000000000000
k[18] = 37/5000000000000