Data:L9a43/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^5-3 a^{13} z^3+3 a^{13} z-a^{13} z^{-1} +2 a^{12} z^6-4 a^{12} z^4+3 a^{12} z^2+a^{12} z^{-2} -2 a^{12}+2 a^{11} z^7+a^{11} z^5-11 a^{11} z^3+13 a^{11} z-5 a^{11} z^{-1} +a^{10} z^8+6 a^{10} z^6-16 a^{10} z^4+14 a^{10} z^2+4 a^{10} z^{-2} -10 a^{10}+6 a^9 z^7-3 a^9 z^5-16 a^9 z^3+21 a^9 z-9 a^9 z^{-1} +a^8 z^8+10 a^8 z^6-24 a^8 z^4+23 a^8 z^2+5 a^8 z^{-2} -14 a^8+4 a^7 z^7-10 a^7 z^3+11 a^7 z-5 a^7 z^{-1} +6 a^6 z^6-11 a^6 z^4+11 a^6 z^2+2 a^6 z^{-2} -7 a^6+3 a^5 z^5-2 a^5 z^3+a^4 z^4-a^4 z^2}