Data:L11a341/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)-a^7 z^{-1} +3 a^5 z^3+6 a^5 z+4 a^5 z^{-1} -3 a^3 z^5-9 a^3 z^3-12 a^3 z-6 a^3 z^{-1} +a z^7+4 a z^5-z^5 a^{-1} +9 a z^3-2 z^3 a^{-1} +10 a z+5 a z^{-1} -3 z a^{-1} -2 a^{-1} z^{-1} }