Data:K12a1104/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^8+2 a^4 z^6-4 a^2 z^6+2 z^6-a^6 z^4+6 a^4 z^4-7 a^2 z^4-z^4 a^{-2} +6 z^4-2 a^6 z^2+6 a^4 z^2-6 a^2 z^2-2 z^2 a^{-2} +6 z^2-a^6+2 a^4-2 a^2- a^{-2} +3}