Data:10 64/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} -7 z^6 a^{-2} +z^6 a^{-4} +z^6-18 z^4 a^{-2} +5 z^4 a^{-4} +5 z^4-19 z^2 a^{-2} +8 z^2 a^{-4} +8 z^2-6 a^{-2} +3 a^{-4} +4}