Data:L11a236/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} z^{-1} +4 a^{11} z+2 a^{11} z^{-1} -3 a^9 z^3-a^9 z-5 a^7 z^3-5 a^7 z-a^7 z^{-1} -3 a^5 z^3-a^5 z-a^3 z^3}