Data:L11n181/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^5 z+2 a^5 z^{-1} -a^3 z^3-5 a^3 z-3 a^3 z^{-1} -z a^{-3} +a z^3+z^3 a^{-1} +a z+a z^{-1} +z a^{-1} }