− q 19 / 2 + 5 q 17 / 2 − 11 q 15 / 2 + 17 q 13 / 2 − 24 q 11 / 2 + 25 q 9 / 2 − 27 q 7 / 2 + 20 q 5 / 2 − 17 q 3 / 2 + 8 q − 4 q + 1 q 3 / 2 {\displaystyle -q^{19/2}+5q^{17/2}-11q^{15/2}+17q^{13/2}-24q^{11/2}+25q^{9/2}-27q^{7/2}+20q^{5/2}-17q^{3/2}+8{\sqrt {q}}-{\frac {4}{\sqrt {q}}}+{\frac {1}{q^{3/2}}}}