Data:K12n850/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 z^8}{a^8}+ $Failed^{-1} +8 z^6}{a^8}+ $Failed^{-1} +20 z^4}{a^8}- $Failed^{-1} -z^4}{a^{10}}- $Failed^{-1} -z^4}{a^{12}}+ $Failed^{-1} +17 z^2}{a^8}- $Failed^{-1} -2 z^2}{a^{10}}- $Failed^{-1} -3 z^2}{a^{12}}+ $Failed^{-1} +3}{a^8}- $Failed^{-1} -2}{a^{12}} $Failed^{-1} }