3 5 7 9 11 13 15 17 19
x x x x x x x x x
-x - -- - --- - ---- - ------ - -------- - ---------- - ------------- - --------------- - ------------------
6 120 5040 362880 39916800 6227020800 1307674368000 355687428096000 121645100408832000
$$- \frac{x^{19}}{121645100408832000} - \frac{x^{17}}{355687428096000} - \frac{x^{15}}{1307674368000} - \frac{x^{13}}{6227020800} - \frac{x^{11}}{39916800} - \frac{x^{9}}{362880} - \frac{x^{7}}{5040} - \frac{x^{5}}{120} - \frac{x^{3}}{6} - x$$
-x - x^3/6 - x^5/120 - x^7/5040 - x^9/362880 - x^11/39916800 - x^13/6227020800 - x^15/1307674368000 - x^17/355687428096000 - x^19/121645100408832000