Knot[12, NonAlternating, 430] -> {6359.390625, 
  Subscript[\[DoubleStruckCapitalE], {} -> {0}][1, 0, 0, 
   {1, (2 - 6*T + 2*T^2 + 4*T^3 + 2*T^4 - 6*T^5 + 2*T^6)/T^3, 
    (a*(12 - 24*T + 4*T^2 - 4*T^4 + 24*T^5 - 12*T^6))/T^3 + 
     (12 - 78*T + 168*T^2 - 84*T^3 - 120*T^4 + 66*T^5 + 64*T^6 + 62*T^7 - 
       96*T^8 - 96*T^9 + 168*T^10 - 78*T^11 + 12*T^12)/T^6 + 
     ((12 - 12*T - 8*T^2 - 8*T^3 - 12*T^4 + 12*T^5)*x*y)/T^3}]}
