k[1] = 2/5
k[2] = 3/20
k[3] = 3/20
k[4] = 3/1000
k[5] = 18
k[6] = 23/25
k[7] = 18
k[8] = 23/25
k[9] = 1/4
k[10] = 180
k[11] = 7/5
k[12] = 1/50
k[13] = 1
k[14] = 1/2
k[15] = 7/10
k[16] = 3/5
k[17] = 9/20
k[18] = 3/100
k[19] = 3/2
k[20] = 1
k[21] = 7/20
k[22] = 3/2
k[23] = 7/10
k[24] = 9/50
k[25] = 18/5
k[26] = 1/100
k[27] = 3/50
k[28] = 3/50
k[29] = 3/100
k[30] = 1
k[31] = 3