k[1] = 1
k[2] = 1
k[3] = 3/10
k[4] = 1/10
k[5] = 5/2
k[6] = 1
k[7] = 483/1000
k[8] = 21/100
k[9] = 3
k[10] = 1/10
k[11] = 21/1000
k[12] = 1
k[13] = 3
k[14] = 31/100
k[15] = 3/10
k[16] = 3
k[17] = 483/1000
k[18] = 3/50
k[19] = 3/20