Data:K12n875/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^2}- $Failed^{-1} -6 z^6}{a^2}+ $Failed^{-1} +z^6}{a^4}+ $Failed^{-1} +z^6-14 z^4}{a^2}+ $Failed^{-1} +3 z^4}{a^4}+ $Failed^{-1} +4 z^4-13 z^2}{a^2}+ $Failed^{-1} +3 z^2}{a^4}+ $Failed^{-1} +z^2}{a^6}+ $Failed^{-1} +6 z^2-3}{a^2}+ $Failed^{-1} +1}{a^6}+ $Failed^{-1} +3}