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