Data:L10a81/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 a^9+a^9 z^{-1} -3 z^3 a^7-5 z a^7-2 a^7 z^{-1} +2 z^5 a^5+5 z^3 a^5+5 z a^5+2 a^5 z^{-1} +z^5 a^3-3 z a^3-a^3 z^{-1} -z^3 a-z a}