Data:L11n365/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 a^8 z^2+a^8 z^{-2} +2 a^8-2 a^6 z^4-6 a^6 z^2-2 a^6 z^{-2} -6 a^6+a^4 z^6+4 a^4 z^4+6 a^4 z^2+a^4 z^{-2} +3 a^4-a^2 z^4-a^2 z^2+a^2}