q 17 / 2 − 3 q 15 / 2 + 7 q 13 / 2 − 12 q 11 / 2 + 16 q 9 / 2 − 19 q 7 / 2 + 18 q 5 / 2 − 17 q 3 / 2 + 12 q − 8 q + 4 q 3 / 2 − 1 q 5 / 2 {\displaystyle q^{17/2}-3q^{15/2}+7q^{13/2}-12q^{11/2}+16q^{9/2}-19q^{7/2}+18q^{5/2}-17q^{3/2}+12{\sqrt {q}}-{\frac {8}{\sqrt {q}}}+{\frac {4}{q^{3/2}}}-{\frac {1}{q^{5/2}}}}
