Data:L11a217/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^7 (-z)+3 a^5 z^3+2 a^5 z+a^5 z^{-1} -2 a^3 z^5-3 a^3 z^3-5 a^3 z-2 a^3 z^{-1} -z a^{-3} -a z^5+3 a z^3+2 z^3 a^{-1} +5 a z+2 a z^{-1} -z a^{-1} - a^{-1} z^{-1} }