Data:K11n60/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^8 a^{-2} -7 z^6 a^{-2} +z^6 a^{-4} +z^6-17 z^4 a^{-2} +6 z^4 a^{-4} +5 z^4-17 z^2 a^{-2} +11 z^2 a^{-4} -z^2 a^{-6} +7 z^2-6 a^{-2} +6 a^{-4} -2 a^{-6} +3}