Data:L11a206/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^3 a^9-2 z a^9+z^5 a^7+3 z^3 a^7+2 z a^7+z^5 a^5+2 z^3 a^5+z^5 a^3+3 z^3 a^3+2 z a^3+a^3 z^{-1} -z^3 a-3 z a-a z^{-1} }