k[1] = 1 k[2] = 117/8 k[3] = 1 k[4] = 3/5 k[5] = 3/100 k[6] = 1 k[7] = 2 k[8] = 1 k[9] = 4 k[10] = 3/5 k[11] = 3/100 k[12] = 9/200 k[13] = 3/10 k[14] = -3/50 k[15] = 3/5 k[16] = 3/1000 k[17] = 3 k[19] = 0 k[18] = 2