Data:10 141/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^2 z^6+a^4 z^4-5 a^2 z^4+z^4+3 a^4 z^2-7 a^2 z^2+3 z^2+a^4-2 a^2+2}