Data:L11a311/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+4 a^5 z+a^5 z^{-1} -3 a^3 z^5-8 a^3 z^3-8 a^3 z-a^3 z^{-1} +a z^7+4 a z^5-z^5 a^{-1} +8 a z^3-2 z^3 a^{-1} +5 a z-2 z a^{-1} }