Knot[9, 2] -> {840367.485723, {140 + 30/t^4 - 100/t^2 - 100*t^2 + 30*t^4, 
   11260 + 252/t^8 - 1628/t^6 + 4934/t^4 - 9186/t^2 - 9186*t^2 + 4934*t^4 - 
    1628*t^6 + 252*t^8}}
