− q 7 / 2 + 5 q 5 / 2 − 11 q 3 / 2 + 17 q − 23 q + 25 q 3 / 2 − 25 q 5 / 2 + 21 q 7 / 2 − 15 q 9 / 2 + 8 q 11 / 2 − 4 q 13 / 2 + 1 q 15 / 2 {\displaystyle -q^{7/2}+5q^{5/2}-11q^{3/2}+17{\sqrt {q}}-{\frac {23}{\sqrt {q}}}+{\frac {25}{q^{3/2}}}-{\frac {25}{q^{5/2}}}+{\frac {21}{q^{7/2}}}-{\frac {15}{q^{9/2}}}+{\frac {8}{q^{11/2}}}-{\frac {4}{q^{13/2}}}+{\frac {1}{q^{15/2}}}}
