Knot[9, 45] -> {10045.359375, {214 + t^(-8) - 16/t^6 + 76/t^4 - 168/t^2 - 
    168*t^2 + 76*t^4 - 16*t^6 + t^8, 24880 + 2/t^14 + 16/t^12 - 316/t^10 + 
    1841/t^8 - 6088/t^6 + 13476/t^4 - 21370/t^2 - 21370*t^2 + 13476*t^4 - 
    6088*t^6 + 1841*t^8 - 316*t^10 + 16*t^12 + 2*t^14}}
