q 9 / 2 − 4 q 9 / 2 − 4 q 7 / 2 + 9 q 7 / 2 + 8 q 5 / 2 − 14 q 5 / 2 − 13 q 3 / 2 + 16 q 3 / 2 + 1 q 11 / 2 + 16 q − 18 q {\displaystyle q^{9/2}-{\frac {4}{q^{9/2}}}-4q^{7/2}+{\frac {9}{q^{7/2}}}+8q^{5/2}-{\frac {14}{q^{5/2}}}-13q^{3/2}+{\frac {16}{q^{3/2}}}+{\frac {1}{q^{11/2}}}+16{\sqrt {q}}-{\frac {18}{\sqrt {q}}}}