Data:L8n4/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 z^4 a^8-3 z^2 a^8+a^8+z^5 a^7-2 z^3 a^7+z^6 a^6-3 z^4 a^6+4 z^2 a^6+a^6 z^{-2} -3 a^6+2 z^5 a^5-5 z^3 a^5+6 z a^5-2 a^5 z^{-1} +z^6 a^4-4 z^4 a^4+10 z^2 a^4+2 a^4 z^{-2} -8 a^4+z^5 a^3-3 z^3 a^3+6 z a^3-2 a^3 z^{-1} +3 z^2 a^2+a^2 z^{-2} -5 a^2}