Data:10 101/HOMFLYPT Polynomial

Failed to parse (syntax error): {\displaystyle z^4 a^{-4} +3 z^4 a^{-6} +3 z^4 a^{-8} +z^2 a^{-4} +5 z^2 a^{-6} +5 z^2 a^{-8} -4 z^2 a^{-10} }+2 a^{-6} +2 a^{-8} -4 a^{-10} }+ a^{-12} }}