Data:L11a283/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 z^7+z^7 a^{-1} -a^3 z^5+3 a z^5+4 z^5 a^{-1} -z^5 a^{-3} -2 a^3 z^3+2 a z^3+7 z^3 a^{-1} -3 z^3 a^{-3} -a^3 z-a z+7 z a^{-1} -3 z a^{-3} -a z^{-1} +3 a^{-1} z^{-1} -2 a^{-3} z^{-1} }