Data:L11a235/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)-2 a^{13} z^{-1} +4 a^{11} z^3+10 a^{11} z+5 a^{11} z^{-1} -3 a^9 z^5-9 a^9 z^3-8 a^9 z-3 a^9 z^{-1} -3 a^7 z^5-8 a^7 z^3-4 a^7 z-a^5 z^5-2 a^5 z^3}