Data:K11a65/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+a^8-z^4 a^6-z^4 a^4+z^2 a^4+a^4-z^4 a^2-z^2 a^2-a^2+z^2+1}