k[1] = 3
k[2] = 2811/500
k[3] = 19/10000
k[4] = 1/10000
k[5] = 1/20000
k[6] = 11/50
k[7] = 1/20000
k[8] = 1/1000000
k[9] = 3/1000000
k[10] = 11/2000
k[11] = 3/10
k[12] = 123/100
k[13] = 90909/500000
k[14] = 90909/5000000
k[15] = 1/8
k[16] = 11/200
k[17] = 1/4
k[18] = 11/20
k[19] = 120481927710843
k[20] = 83/10000000000000
k[21] = 1/15625000000000
k[22] = 33/2000000000000
k[23] = 1/2000000000000
k[24] = 1/10000000000000
k[25] = 0
k[26] = 0