q 17 / 2 − 3 q 15 / 2 + 6 q 13 / 2 − 7 q 11 / 2 + 8 q 9 / 2 − 9 q 7 / 2 + 6 q 5 / 2 − 5 q 3 / 2 + 2 q − 1 q {\displaystyle q^{17/2}-3q^{15/2}+6q^{13/2}-7q^{11/2}+8q^{9/2}-9q^{7/2}+6q^{5/2}-5q^{3/2}+2{\sqrt {q}}-{\frac {1}{\sqrt {q}}}}
