Data:L10a141/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^4 a^{-4} -2 z^2 a^{-4} - a^{-4} +z^6 a^{-2} -a^2 z^4+3 z^4 a^{-2} -2 a^2 z^2+3 z^2 a^{-2} +a^2 z^{-2} + a^{-2} z^{-2} +a^2+3 a^{-2} +z^6+3 z^4+z^2-2 z^{-2} -3}