q 15 / 2 − 3 q 13 / 2 + 7 q 11 / 2 − 10 q 9 / 2 + 11 q 7 / 2 − 13 q 5 / 2 + 11 q 3 / 2 − 9 q + 5 q − 2 q 3 / 2 {\displaystyle q^{15/2}-3q^{13/2}+7q^{11/2}-10q^{9/2}+11q^{7/2}-13q^{5/2}+11q^{3/2}-9{\sqrt {q}}+{\frac {5}{\sqrt {q}}}-{\frac {2}{q^{3/2}}}}
