Data:L7a5/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^3 a^3+z a^3+a^3 z^{-1} +z^3 a-a z^{-1} -z a^{-1} }