q 24 − q 20 − q 18 − q 16 + q 10 + q 8 + q 6 + q 4 + q 2 {\displaystyle q^{24}-q^{20}-q^{18}-q^{16}+q^{10}+q^{8}+q^{6}+q^{4}+q^{2}}
