q 17 / 2 − 4 q 15 / 2 + 9 q 13 / 2 − 14 q 11 / 2 + 19 q 9 / 2 − 21 q 7 / 2 + 20 q 5 / 2 − 18 q 3 / 2 + 12 q − 8 q + 3 q 3 / 2 − 1 q 5 / 2 {\displaystyle q^{17/2}-4q^{15/2}+9q^{13/2}-14q^{11/2}+19q^{9/2}-21q^{7/2}+20q^{5/2}-18q^{3/2}+12{\sqrt {q}}-{\frac {8}{\sqrt {q}}}+{\frac {3}{q^{3/2}}}-{\frac {1}{q^{5/2}}}}
