q 9 / 2 − 3 q 9 / 2 − 4 q 7 / 2 + 7 q 7 / 2 + 8 q 5 / 2 − 12 q 5 / 2 − 12 q 3 / 2 + 14 q 3 / 2 + 15 q − 16 q {\displaystyle q^{9/2}-{\frac {3}{q^{9/2}}}-4q^{7/2}+{\frac {7}{q^{7/2}}}+8q^{5/2}-{\frac {12}{q^{5/2}}}-12q^{3/2}+{\frac {14}{q^{3/2}}}+15{\sqrt {q}}-{\frac {16}{\sqrt {q}}}}
