q 9 / 2 − 3 q 7 / 2 + 6 q 5 / 2 − 10 q 3 / 2 + 13 q − 16 q + 15 q 3 / 2 − 14 q 5 / 2 + 10 q 7 / 2 − 6 q 9 / 2 + 3 q 11 / 2 − 1 q 13 / 2 {\displaystyle q^{9/2}-3q^{7/2}+6q^{5/2}-10q^{3/2}+13{\sqrt {q}}-{\frac {16}{\sqrt {q}}}+{\frac {15}{q^{3/2}}}-{\frac {14}{q^{5/2}}}+{\frac {10}{q^{7/2}}}-{\frac {6}{q^{9/2}}}+{\frac {3}{q^{11/2}}}-{\frac {1}{q^{13/2}}}}
