Data:K15a76406/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^5-13 t^4+42 t^3-86 t^2+127 t-143+127 t^{-1} -86 t^{-2} +42 t^{-3} -13 t^{-4} +2 t^{-5} }