Data:L11a150/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^5-a^5 z^3+a^3 z^7+2 a^3 z^5+a^3 z^3+a^3 z^{-1} +a z^7+2 a z^5-z^5 a^{-1} +a z^3-z^3 a^{-1} -a z-a z^{-1} }