Data:L11a332/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^{13} \left(-z^3\right)-2 a^{13} z+3 a^{11} z^5+11 a^{11} z^3+9 a^{11} z-2 a^9 z^7-10 a^9 z^5-15 a^9 z^3-6 a^9 z+a^9 z^{-1} -a^7 z^7-5 a^7 z^5-8 a^7 z^3-5 a^7 z-a^7 z^{-1} }