q 15 / 2 − 3 q 13 / 2 + 5 q 11 / 2 − 8 q 9 / 2 + 9 q 7 / 2 − 10 q 5 / 2 + 9 q 3 / 2 − 7 q + 4 q − 2 q 3 / 2 {\displaystyle q^{15/2}-3q^{13/2}+5q^{11/2}-8q^{9/2}+9q^{7/2}-10q^{5/2}+9q^{3/2}-7{\sqrt {q}}+{\frac {4}{\sqrt {q}}}-{\frac {2}{q^{3/2}}}}
