Data:L9n16/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^5 a^7+4 z^3 a^7-3 z a^7-z^6 a^6+3 z^4 a^6-z^2 a^6-z^7 a^5+4 z^5 a^5-6 z^3 a^5+6 z a^5-2 a^5 z^{-1} -2 z^6 a^4+7 z^4 a^4-8 z^2 a^4+3 a^4-z^7 a^3+5 z^5 a^3-12 z^3 a^3+11 z a^3-3 a^3 z^{-1} -z^6 a^2+4 z^4 a^2-8 z^2 a^2+3 a^2-2 z^3 a+2 z a-a z^{-1} -z^2+1}