Knot[10, 140] -> {13761.402949, {32 + 8/t^4 - 24/t^2 - 24*t^2 + 8*t^4, 
   2264 - 21/t^12 + 144/t^10 - 358/t^8 + 292/t^6 + 476/t^4 - 1664/t^2 - 
    1664*t^2 + 476*t^4 + 292*t^6 - 358*t^8 + 144*t^10 - 21*t^12}}
