q 17 / 2 − 4 q 15 / 2 + 9 q 13 / 2 − 13 q 11 / 2 + 17 q 9 / 2 − 20 q 7 / 2 + 18 q 5 / 2 − 16 q 3 / 2 + 11 q − 7 q + 3 q 3 / 2 − 1 q 5 / 2 {\displaystyle q^{17/2}-4q^{15/2}+9q^{13/2}-13q^{11/2}+17q^{9/2}-20q^{7/2}+18q^{5/2}-16q^{3/2}+11{\sqrt {q}}-{\frac {7}{\sqrt {q}}}+{\frac {3}{q^{3/2}}}-{\frac {1}{q^{5/2}}}}
