Data:L9n3/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^8 z^6-5 a^8 z^4+6 a^8 z^2-2 a^8+a^7 z^7-5 a^7 z^5+6 a^7 z^3-2 a^7 z+a^7 z^{-1} +2 a^6 z^6-10 a^6 z^4+13 a^6 z^2-5 a^6+a^5 z^7-5 a^5 z^5+7 a^5 z^3-5 a^5 z+2 a^5 z^{-1} +a^4 z^6-5 a^4 z^4+7 a^4 z^2-3 a^4+a^3 z^3-2 a^3 z+a^2+a z-a z^{-1} }