− q 13 / 2 + 4 q 11 / 2 − 7 q 9 / 2 + 9 q 7 / 2 − 11 q 5 / 2 + 11 q 3 / 2 − 10 q + 6 q − 4 q 3 / 2 + 1 q 5 / 2 {\displaystyle -q^{13/2}+4q^{11/2}-7q^{9/2}+9q^{7/2}-11q^{5/2}+11q^{3/2}-10{\sqrt {q}}+{\frac {6}{\sqrt {q}}}-{\frac {4}{q^{3/2}}}+{\frac {1}{q^{5/2}}}}