Data:L10n56/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 a^5-z a^3+z^5 a+5 z^3 a+5 z a+a z^{-1} -z^3 a^{-1} -3 z a^{-1} - a^{-1} z^{-1} }