Knot[7, 4] -> {10734.996033, {112 + 24/t^4 - 80/t^2 - 80*t^2 + 24*t^4, 
   4994 + 112/t^8 - 720/t^6 + 2177/t^4 - 4064/t^2 - 4064*t^2 + 2177*t^4 - 
    720*t^6 + 112*t^8}}
