Data:K15a76831/Alexander 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 t^5-16 t^4+61 t^3-143 t^2+231 t-269+231 t^{-1} -143 t^{-2} +61 t^{-3} -16 t^{-4} +2 t^{-5} }