q 30 − q 24 − 2 q 22 − 2 q 20 − 2 q 18 + q 14 + 3 q 12 + 3 q 10 + 3 q 8 + q 6 + q 4 {\displaystyle q^{30}-q^{24}-2q^{22}-2q^{20}-2q^{18}+q^{14}+3q^{12}+3q^{10}+3q^{8}+q^{6}+q^{4}}