Data:K12n826/HOMFLYPT Polynomial

Failed to parse (syntax error): {\displaystyle z^6}{a^4}- $Failed^{-1} -3 z^4}{a^2}+ $Failed^{-1} +2 z^4}{a^4}- $Failed^{-1} -2 z^4}{a^6}- $Failed^{-1} -5 z^2}{a^2}+ $Failed^{-1} +2 z^2}{a^4}- $Failed^{-1} -3 z^2}{a^6}+ $Failed^{-1} +z^2}{a^8}+ $Failed^{-1} +2 z^2-1}{a^2}- $Failed^{-1} -1}{a^6}+ $Failed^{-1} +1}{a^8}+ $Failed^{-1} +2}