Data:L10a159/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^2 a^{12}+a^{12} z^{-2} +2 a^{12}-3 z^4 a^{10}-10 z^2 a^{10}-2 a^{10} z^{-2} -9 a^{10}+2 z^6 a^8+9 z^4 a^8+13 z^2 a^8+a^8 z^{-2} +7 a^8+z^6 a^6+4 z^4 a^6+4 z^2 a^6}