19 q 9 / 2 − 22 q 7 / 2 + 21 q 5 / 2 − 1 q 5 / 2 − 19 q 3 / 2 + 4 q 3 / 2 + q 17 / 2 − 4 q 15 / 2 + 9 q 13 / 2 − 14 q 11 / 2 + 13 q − 9 q {\displaystyle 19q^{9/2}-22q^{7/2}+21q^{5/2}-{\frac {1}{q^{5/2}}}-19q^{3/2}+{\frac {4}{q^{3/2}}}+q^{17/2}-4q^{15/2}+9q^{13/2}-14q^{11/2}+13{\sqrt {q}}-{\frac {9}{\sqrt {q}}}}
