k[1] = 1
k[2] = 1/10
k[3] = 1/200
k[4] = 1/10
k[5] = 1/10
k[6] = 1/10
k[7] = 1
k[8] = 1
k[9] = 1/100
k[10] = 1/100
k[11] = 49/200
k[12] = 7/25
k[13] = 49/200
k[14] = 7/20
k[15] = 7/40
k[16] = 21/100
k[17] = 7/40
k[18] = 21/100
k[19] = 21/100
k[20] = 7/20
k[21] = 161/200
k[22] = 7/10
k[23] = 1