Data:10 161/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^2 a^{10}-a^{10}-z^2 a^8-a^8+z^6 a^6+6 z^4 a^6+9 z^2 a^6+3 a^6}