Data:K11n7/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 -2 q^6+5 q^5-8 q^4+11 q^3-11 q^2+11 q-9+6 q^{-1} -3 q^{-2} + q^{-3} }