Data:K12n884/HOMFLYPT Polynomial

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