Data:L10a18/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^7 \left(-z^3\right)-3 a^7 z-2 a^7 z^{-1} +2 a^5 z^5+8 a^5 z^3+11 a^5 z+5 a^5 z^{-1} -a^3 z^7-5 a^3 z^5-10 a^3 z^3-10 a^3 z-3 a^3 z^{-1} +a z^5+3 a z^3+2 a z}