k[1] = 1
k[2] = 1
k[3] = 50
k[4] = 1000
k[5] = 1/20
k[6] = 57/2500
k[7] = 19/50000
k[8] = 1/62500
k[9] = 3/12500
k[10] = 19/50000
k[11] = 1/20
k[12] = 1/200
k[13] = 3/12500
k[14] = 1/200
k[15] = 3/12500
k[16] = 50
k[17] = 42
k[18] = 3/3125
k[19] = 9/6250
k[20] = 19/50000
k[21] = 57/2500
k[22] = 10