Data:10 124/HOMFLYPT Polynomial

Failed to parse (syntax error): {\displaystyle z^8 a^{-8} +8 z^6 a^{-8} -z^6 a^{-10} }+21 z^4 a^{-8} -7 z^4 a^{-10} }+21 z^2 a^{-8} -14 z^2 a^{-10} }+z^2 a^{-12} }+7 a^{-8} -8 a^{-10} }+2 a^{-12} }}