Data:L10a20/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^{-6} +4 z^5 a^{-5} -z^3 a^{-5} +a^4 z^6+9 z^6 a^{-4} -3 a^4 z^4-9 z^4 a^{-4} +3 a^4 z^2+4 z^2 a^{-4} -a^4- a^{-4} +3 a^3 z^7+12 z^7 a^{-3} -8 a^3 z^5-18 z^5 a^{-3} +8 a^3 z^3+11 z^3 a^{-3} -4 a^3 z-4 z a^{-3} +a^3 z^{-1} + a^{-3} z^{-1} +4 a^2 z^8+8 z^8 a^{-2} -6 a^2 z^6-3 z^6 a^{-2} -4 a^2 z^4-14 z^4 a^{-2} +10 a^2 z^2+12 z^2 a^{-2} -4 a^2-4 a^{-2} +2 a z^9+2 z^9 a^{-1} +8 a z^7+17 z^7 a^{-1} -31 a z^5-45 z^5 a^{-1} +29 a z^3+33 z^3 a^{-1} -13 a z-13 z a^{-1} +4 a z^{-1} +4 a^{-1} z^{-1} +12 z^8-19 z^6-5 z^4+15 z^2-7}