Data:L10a22/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 z^3 a^{-7} +z a^{-7} + a^{-7} z^{-1} -2 z^5 a^{-5} -5 z^3 a^{-5} -4 z a^{-5} -2 a^{-5} z^{-1} +z^7 a^{-3} +4 z^5 a^{-3} +6 z^3 a^{-3} +3 z a^{-3} -z^5 a^{-1} -2 z^3 a^{-1} + a^{-1} z^{-1} }