− q 13 / 2 + 3 q 11 / 2 − 5 q 9 / 2 + 8 q 7 / 2 − 10 q 5 / 2 + 10 q 3 / 2 − 10 q + 7 q − 5 q 3 / 2 + 2 q 5 / 2 − 1 q 7 / 2 {\displaystyle -q^{13/2}+3q^{11/2}-5q^{9/2}+8q^{7/2}-10q^{5/2}+10q^{3/2}-10{\sqrt {q}}+{\frac {7}{\sqrt {q}}}-{\frac {5}{q^{3/2}}}+{\frac {2}{q^{5/2}}}-{\frac {1}{q^{7/2}}}}
