− 4 q 9 / 2 + 2 q 7 / 2 − 1 q 5 / 2 + 1 q 23 / 2 − 2 q 21 / 2 + 4 q 19 / 2 − 5 q 17 / 2 + 6 q 15 / 2 − 7 q 13 / 2 + 4 q 11 / 2 {\displaystyle -{\frac {4}{q^{9/2}}}+{\frac {2}{q^{7/2}}}-{\frac {1}{q^{5/2}}}+{\frac {1}{q^{23/2}}}-{\frac {2}{q^{21/2}}}+{\frac {4}{q^{19/2}}}-{\frac {5}{q^{17/2}}}+{\frac {6}{q^{15/2}}}-{\frac {7}{q^{13/2}}}+{\frac {4}{q^{11/2}}}}
