Data:K12a1027/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^{10}-a^4 z^8+9 a^2 z^8-z^8-7 a^4 z^6+31 a^2 z^6-7 z^6-17 a^4 z^4+50 a^2 z^4-17 z^4-16 a^4 z^2+37 a^2 z^2-16 z^2-5 a^4+10 a^2-4}