Data:L10a73/Kauffman 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^{13} z^7-5 a^{13} z^5+7 a^{13} z^3-2 a^{13} z+2 a^{12} z^8-10 a^{12} z^6+15 a^{12} z^4-7 a^{12} z^2+a^{11} z^9-2 a^{11} z^7-4 a^{11} z^5+7 a^{11} z^3-a^{11} z+4 a^{10} z^8-15 a^{10} z^6+15 a^{10} z^4-5 a^{10} z^2+a^9 z^9-6 a^9 z^5+3 a^9 z^3+2 a^8 z^8-2 a^8 z^6-4 a^8 z^4+2 a^8 z^2+3 a^7 z^7-4 a^7 z^5-a^7 z^3+3 a^7 z-a^7 z^{-1} +3 a^6 z^6-2 a^6 z^4-a^6 z^2+a^6+3 a^5 z^5-3 a^5 z^3+3 a^5 z-a^5 z^{-1} +2 a^4 z^4-a^4 z^2+a^3 z^3-a^3 z}