− q 13 / 2 + 3 q 11 / 2 − 5 q 9 / 2 + 8 q 7 / 2 − 11 q 5 / 2 + 12 q 3 / 2 − 13 q + 10 q − 8 q 3 / 2 + 5 q 5 / 2 − 3 q 7 / 2 + 1 q 9 / 2 {\displaystyle -q^{13/2}+3q^{11/2}-5q^{9/2}+8q^{7/2}-11q^{5/2}+12q^{3/2}-13{\sqrt {q}}+{\frac {10}{\sqrt {q}}}-{\frac {8}{q^{3/2}}}+{\frac {5}{q^{5/2}}}-{\frac {3}{q^{7/2}}}+{\frac {1}{q^{9/2}}}}
