− q 42 − q 34 − q 32 − q 24 + q 20 + 2 q 18 + q 16 + q 14 + q 12 + 2 q 10 + q 8 + q 6 {\displaystyle -q^{42}-q^{34}-q^{32}-q^{24}+q^{20}+2q^{18}+q^{16}+q^{14}+q^{12}+2q^{10}+q^{8}+q^{6}}
