Data:K15a77032/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 -8 t^4+48 t^3-139 t^2+251 t-303+251 t^{-1} -139 t^{-2} +48 t^{-3} -8 t^{-4} }