Data:K11n91/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^{10}+2 z^2 a^8+2 a^8-z^4 a^6-2 z^2 a^6-3 a^6+3 z^2 a^4+3 a^4+z^2 a^2}