Data:L7n2/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^6 z^4-3 a^6 z^2+a^6+a^5 z^5-3 a^5 z^3+2 a^5 z-a^5 z^{-1} +2 a^4 z^4-5 a^4 z^2+3 a^4+a^3 z^5-3 a^3 z^3+5 a^3 z-3 a^3 z^{-1} +a^2 z^4-2 a^2 z^2+3 a^2+3 a z-2 a z^{-1} }