Data:L11a529/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^{12} \left(-z^2\right)+a^{12} z^{-2} +2 a^{12}+a^{10} z^4-6 a^{10} z^2-2 a^{10} z^{-2} -9 a^{10}+6 a^8 z^4+11 a^8 z^2+a^8 z^{-2} +7 a^8+4 a^6 z^4+4 a^6 z^2+a^4 z^4}