− 1 q 9 / 2 − 1 q 5 / 2 + 1 q 3 / 2 − 1 q {\displaystyle -{\frac {1}{q^{9/2}}}-{\frac {1}{q^{5/2}}}+{\frac {1}{q^{3/2}}}-{\frac {1}{\sqrt {q}}}}
