− 1 q + 2 q 3 / 2 − 5 q 5 / 2 + 7 q 7 / 2 − 11 q 9 / 2 + 12 q 11 / 2 − 13 q 13 / 2 + 12 q 15 / 2 − 9 q 17 / 2 + 6 q 19 / 2 − 3 q 21 / 2 + 1 q 23 / 2 {\displaystyle -{\frac {1}{\sqrt {q}}}+{\frac {2}{q^{3/2}}}-{\frac {5}{q^{5/2}}}+{\frac {7}{q^{7/2}}}-{\frac {11}{q^{9/2}}}+{\frac {12}{q^{11/2}}}-{\frac {13}{q^{13/2}}}+{\frac {12}{q^{15/2}}}-{\frac {9}{q^{17/2}}}+{\frac {6}{q^{19/2}}}-{\frac {3}{q^{21/2}}}+{\frac {1}{q^{23/2}}}}
