− q 5 / 2 + 3 q 3 / 2 − 6 q + 9 q − 13 q 3 / 2 + 14 q 5 / 2 − 15 q 7 / 2 + 13 q 9 / 2 − 10 q 11 / 2 + 6 q 13 / 2 − 3 q 15 / 2 + 1 q 17 / 2 {\displaystyle -q^{5/2}+3q^{3/2}-6{\sqrt {q}}+{\frac {9}{\sqrt {q}}}-{\frac {13}{q^{3/2}}}+{\frac {14}{q^{5/2}}}-{\frac {15}{q^{7/2}}}+{\frac {13}{q^{9/2}}}-{\frac {10}{q^{11/2}}}+{\frac {6}{q^{13/2}}}-{\frac {3}{q^{15/2}}}+{\frac {1}{q^{17/2}}}}
