q 15 / 2 − 3 q 13 / 2 + 5 q 11 / 2 − 7 q 9 / 2 + 8 q 7 / 2 − 8 q 5 / 2 + 7 q 3 / 2 − 6 q + 2 q − 1 q 3 / 2 {\displaystyle q^{15/2}-3q^{13/2}+5q^{11/2}-7q^{9/2}+8q^{7/2}-8q^{5/2}+7q^{3/2}-6{\sqrt {q}}+{\frac {2}{\sqrt {q}}}-{\frac {1}{q^{3/2}}}}
