− q 11 / 2 + 4 q 9 / 2 − 7 q 7 / 2 + 11 q 5 / 2 − 16 q 3 / 2 + 17 q − 18 q + 15 q 3 / 2 − 12 q 5 / 2 + 7 q 7 / 2 − 3 q 9 / 2 + 1 q 11 / 2 {\displaystyle -q^{11/2}+4q^{9/2}-7q^{7/2}+11q^{5/2}-16q^{3/2}+17{\sqrt {q}}-{\frac {18}{\sqrt {q}}}+{\frac {15}{q^{3/2}}}-{\frac {12}{q^{5/2}}}+{\frac {7}{q^{7/2}}}-{\frac {3}{q^{9/2}}}+{\frac {1}{q^{11/2}}}}
