Data:K12n825/HOMFLYPT Polynomial

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