Knot[9, 31] -> {7779.9375, {568 + t^(-12) - 10/t^10 + 50/t^8 - 154/t^6 + 
    325/t^4 - 496/t^2 - 496*t^2 + 325*t^4 - 154*t^6 + 50*t^8 - 10*t^10 + 
    t^12, 84162 - 2/t^20 + 24/t^18 - 135/t^16 + 436/t^14 - 697/t^12 - 
    627/t^10 + 7242/t^8 - 23387/t^6 + 48614/t^4 - 73548/t^2 - 73548*t^2 + 
    48614*t^4 - 23387*t^6 + 7242*t^8 - 627*t^10 - 697*t^12 + 436*t^14 - 
    135*t^16 + 24*t^18 - 2*t^20}}
