Data:10 61/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^{-2} -z^6 a^{-4} -5 z^4 a^{-2} -4 z^4 a^{-4} +z^4 a^{-6} +z^4-8 z^2 a^{-2} -3 z^2 a^{-4} +3 z^2 a^{-6} +4 z^2-5 a^{-2} + a^{-4} + a^{-6} +4}