Data:K12a1039/Jones 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 q^6-3 q^5+7 q^4-11 q^3+16 q^2-20 q+21-20 q^{-1} +16 q^{-2} -11 q^{-3} +7 q^{-4} -3 q^{-5} + q^{-6} }