Data:T(31,2)/HOMFLYPT Polynomial

Failed to parse (syntax error): {\displaystyle z^{30}a^{-30}-30z^{28}a^{-30}-z^{28}a^{-32}+406z^{26}a^{-30}+28z^{26}a^{-32}-3276z^{24}a^{-30}-351z^{24}a^{-32}+17550z^{22}a^{-30}+2600z^{22}a^{-32}-65780z^{20}a^{-30}-12650z^{20}a^{-32}+177100z^{18}a^{-30}+42504z^{18}a^{-32}-346104z^{16}a^{-30}-100947z^{16}a^{-32}+490314z^{14}a^{-30}+170544z^{14}a^{-32}-497420z^{12}a^{-30}-203490z^{12}a^{-32}+352716z^{10}a^{-30}+167960z^{10}a^{-32}-167960z^8a^{-30}-92378z^8a^{-32}+50388z^6a^{-30}+31824z^6a^{-32}-8568z^4a^{-30}-6188z^4a^{-32}+680z^2a^{-30}+560z^2a^{-32}-16a^{-30}-15a^{-32}