q 3 / 2 − 4 q + 9 q − 17 q 3 / 2 + 23 q 5 / 2 − 28 q 7 / 2 + 28 q 9 / 2 − 25 q 11 / 2 + 19 q 13 / 2 − 12 q 15 / 2 + 5 q 17 / 2 − 1 q 19 / 2 {\displaystyle q^{3/2}-4{\sqrt {q}}+{\frac {9}{\sqrt {q}}}-{\frac {17}{q^{3/2}}}+{\frac {23}{q^{5/2}}}-{\frac {28}{q^{7/2}}}+{\frac {28}{q^{9/2}}}-{\frac {25}{q^{11/2}}}+{\frac {19}{q^{13/2}}}-{\frac {12}{q^{15/2}}}+{\frac {5}{q^{17/2}}}-{\frac {1}{q^{19/2}}}}
