Data:L11a321/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 a^3 z^7+a z^7-a^5 z^5+3 a^3 z^5+4 a z^5-z^5 a^{-1} -2 a^5 z^3+2 a^3 z^3+7 a z^3-3 z^3 a^{-1} -a^5 z-a^3 z+5 a z-3 z a^{-1} +a z^{-1} - a^{-1} z^{-1} }