− q 13 / 2 + 3 q 11 / 2 − 6 q 9 / 2 + 6 q 7 / 2 − 10 q 5 / 2 + 7 q 3 / 2 − 8 q + 4 q − 3 q 3 / 2 {\displaystyle -q^{13/2}+3q^{11/2}-6q^{9/2}+6q^{7/2}-10q^{5/2}+7q^{3/2}-8{\sqrt {q}}+{\frac {4}{\sqrt {q}}}-{\frac {3}{q^{3/2}}}}
