Data:L11a74/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^9 z^{-1} -4 z a^7-3 a^7 z^{-1} +5 z^3 a^5+8 z a^5+4 a^5 z^{-1} -2 z^5 a^3-4 z^3 a^3-6 z a^3-2 a^3 z^{-1} -z^5 a+z^3 a^{-1} }