q 23 / 2 − 4 q 21 / 2 + 8 q 19 / 2 − 12 q 17 / 2 + 16 q 15 / 2 − 17 q 13 / 2 + 16 q 11 / 2 − 14 q 9 / 2 + 9 q 7 / 2 − 6 q 5 / 2 + 2 q 3 / 2 − q {\displaystyle q^{23/2}-4q^{21/2}+8q^{19/2}-12q^{17/2}+16q^{15/2}-17q^{13/2}+16q^{11/2}-14q^{9/2}+9q^{7/2}-6q^{5/2}+2q^{3/2}-{\sqrt {q}}}
