q 9 / 2 − 6 q 9 / 2 − 4 q 7 / 2 + 10 q 7 / 2 + 8 q 5 / 2 − 15 q 5 / 2 − 11 q 3 / 2 + 16 q 3 / 2 − 1 q 13 / 2 + 3 q 11 / 2 + 15 q − 18 q {\displaystyle q^{9/2}-{\frac {6}{q^{9/2}}}-4q^{7/2}+{\frac {10}{q^{7/2}}}+8q^{5/2}-{\frac {15}{q^{5/2}}}-11q^{3/2}+{\frac {16}{q^{3/2}}}-{\frac {1}{q^{13/2}}}+{\frac {3}{q^{11/2}}}+15{\sqrt {q}}-{\frac {18}{\sqrt {q}}}}
