Data:L10a121/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^{11} z^3+a^{11} z+a^{11} z^{-1} -a^9 z^5+2 a^9 z-a^9 z^{-1} -3 a^7 z^5-9 a^7 z^3-7 a^7 z-a^5 z^5-2 a^5 z^3-a^5 z}