Data:L9n21/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^4 z^6+a^2 z^6+z^6 a^{-2} +z^6+a^5 z^5+2 a^3 z^5+2 a z^5+z^5 a^{-1} -4 a^4 z^4-6 a^2 z^4-6 z^4 a^{-2} -8 z^4-4 a^5 z^3-10 a^3 z^3-13 a z^3-7 z^3 a^{-1} +3 a^4 z^2+11 a^2 z^2+10 z^2 a^{-2} +18 z^2+3 a^5 z+13 a^3 z+21 a z+11 z a^{-1} -2 a^4-10 a^2-7 a^{-2} -14-a^5 z^{-1} -5 a^3 z^{-1} -9 a z^{-1} -5 a^{-1} z^{-1} +a^4 z^{-2} +4 a^2 z^{-2} +2 a^{-2} z^{-2} +5 z^{-2} }