Data:L11n145/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^5 z^5-4 a^3 z^5+a z^5+2 a^5 z^3-4 a^3 z^3+2 a z^3-a z+a^3 z^{-1} -a z^{-1} }