q 60 − q 56 − q 50 + q 46 − q 30 − q 28 + q 18 + q 16 + q 14 + q 8 + q 2 {\displaystyle q^{60}-q^{56}-q^{50}+q^{46}-q^{30}-q^{28}+q^{18}+q^{16}+q^{14}+q^{8}+q^{2}}