Data:K12n843/HOMFLYPT Polynomial

Failed to parse (syntax error): {\displaystyle z^6}{a^2}+ $Failed^{-1} +2 z^6}{a^4}+ $Failed^{-1} +6 z^4}{a^4}- $Failed^{-1} -2 z^4}{a^6}- $Failed^{-1} -z^4-3 z^2}{a^2}+ $Failed^{-1} +7 z^2}{a^4}- $Failed^{-1} -3 z^2}{a^6}- $Failed^{-1} -1}{a^2}+ $Failed^{-1} +2}{a^4}- $Failed^{-1} -1}{a^6}+ $Failed^{-1} +1}