k[1] = 1
k[2] = 1
k[3] = 189/50
k[4] = 47/4
k[5] = 6/25
k[6] = 39/100
k[7] = 1/2
k[8] = 126/25
k[9] = 21/25
k[10] = 61/20
k[11] = 8
k[12] = 3/20
k[13] = 59/1000
k[14] = 3/4
k[15] = 3
k[16] = 5
k[17] = 1/10
k[18] = 41/50
k[19] = 17/25