k[1] = 1/250
k[2] = 103/10
k[3] = 2/25
k[4] = 1152
k[5] = 3/200
k[6] = 3/20000
k[7] = 3/2
k[8] = 1/10
k[9] = 5
k[10] = 20
k[11] = 4
k[12] = 1/500
k[13] = 3/2
k[14] = 189/2000000
k[15] = 576/5
k[16] = 1
k[17] = 1
k[18] = 17
k[19] = 5
k[20] = 17
k[21] = 586/5
k[22] = 20000001/2500
k[23] = 1999998579/10000
k[24] = 500000