Data:K12n874/HOMFLYPT Polynomial

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -z^8}{a^2}- $Failed^{-1} -5 z^6}{a^2}+ $Failed^{-1} +z^6}{a^4}+ $Failed^{-1} +z^6-10 z^4}{a^2}+ $Failed^{-1} +3 z^4}{a^4}+ $Failed^{-1} +3 z^4-10 z^2}{a^2}+ $Failed^{-1} +5 z^2}{a^4}+ $Failed^{-1} +4 z^2-5}{a^2}+ $Failed^{-1} +4}{a^4}- $Failed^{-1} -1}{a^6}+ $Failed^{-1} +3}