− q 7 / 2 + 5 q 5 / 2 − 12 q 3 / 2 + 20 q − 28 q + 31 q 3 / 2 − 32 q 5 / 2 + 27 q 7 / 2 − 20 q 9 / 2 + 12 q 11 / 2 − 5 q 13 / 2 + 1 q 15 / 2 {\displaystyle -q^{7/2}+5q^{5/2}-12q^{3/2}+20{\sqrt {q}}-{\frac {28}{\sqrt {q}}}+{\frac {31}{q^{3/2}}}-{\frac {32}{q^{5/2}}}+{\frac {27}{q^{7/2}}}-{\frac {20}{q^{9/2}}}+{\frac {12}{q^{11/2}}}-{\frac {5}{q^{13/2}}}+{\frac {1}{q^{15/2}}}}
