k[1] = 2/78125
k[2] = 8/3125
k[3] = 663/100
k[4] = 21/12500
k[5] = 3/3125
k[6] = 3/2000
k[7] = 23/25000
k[8] = 19/10000
k[9] = 8/3125
k[10] = 1/2
k[11] = 21/12500
k[12] = 663/100
k[13] = 1/200
k[14] = 1/2
k[15] = 1/200
k[16] = 1/2
k[17] = 1/200
k[18] = 1/2
k[19] = 1
k[20] = 1
k[21] = 21/100
k[22] = 1/2
k[23] = 269/1000000000000000
k[24] = 113/1000000000000000
k[26] = 15000783/5000000
k[25] = 30090063/10000000
k[28] = 95581/10000000
k[27] = 16993/10000000
k[30] = 48641/5000000
k[29] = 501987/10000000