− 1 q 5 / 2 + 2 q 7 / 2 − 5 q 9 / 2 + 7 q 11 / 2 − 9 q 13 / 2 + 9 q 15 / 2 − 9 q 17 / 2 + 7 q 19 / 2 − 4 q 21 / 2 + 2 q 23 / 2 − 1 q 25 / 2 {\displaystyle -{\frac {1}{q^{5/2}}}+{\frac {2}{q^{7/2}}}-{\frac {5}{q^{9/2}}}+{\frac {7}{q^{11/2}}}-{\frac {9}{q^{13/2}}}+{\frac {9}{q^{15/2}}}-{\frac {9}{q^{17/2}}}+{\frac {7}{q^{19/2}}}-{\frac {4}{q^{21/2}}}+{\frac {2}{q^{23/2}}}-{\frac {1}{q^{25/2}}}}
