Data:K11a191/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^6 a^{-6} +2 z^6 a^{-8} +z^6 a^{-10} +4 z^4 a^{-6} +8 z^4 a^{-8} +2 z^4 a^{-10} -z^4 a^{-12} +4 z^2 a^{-6} +9 z^2 a^{-8} -2 z^2 a^{-10} -2 z^2 a^{-12} + a^{-6} +3 a^{-8} -3 a^{-10} }