Knot[9, 42] -> {7406.46875, {-10 + t^(-8) - 4/t^6 + 4/t^4 + 4/t^2 + 4*t^2 + 
    4*t^4 - 4*t^6 + t^8, 1150 - 5/t^12 + 50/t^10 - 187/t^8 + 300/t^6 - 
    16/t^4 - 718/t^2 - 718*t^2 - 16*t^4 + 300*t^6 - 187*t^8 + 50*t^10 - 
    5*t^12}}
