Data:K12a111/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^{-4} -z^6 a^{-2} +4 z^6 a^{-4} -3 z^6 a^{-6} -2 z^4 a^{-2} +7 z^4 a^{-4} -10 z^4 a^{-6} +3 z^4 a^{-8} +7 z^2 a^{-4} -12 z^2 a^{-6} +7 z^2 a^{-8} -z^2 a^{-10} + a^{-2} +3 a^{-4} -6 a^{-6} +4 a^{-8} - a^{-10} }