One starts from the polynomial
      
      and extends one by one with
      
      until the final polynomial defining this rule is reached.
      Note: Polynomials might be truncated due to size!
      The complete polynomials are included in the download.
    
| Node (ball center) | Error (ball radius) | 
|---|---|
| -0.97952994125249449394 - 1.9221600544965162451e-420j | 2.22e-118, 2.22e-118j | 
| -0.99486932339189514632 - 8.223961602183770431e-426j | 8.48e-119, 8.48e-119j | 
| -0.95413925640004885148 - 4.5888695823860711396e-437j | 3.36e-118, 3.36e-118j | 
| 0.97952994125249449394 - 1.2091511560046748814e-450j | 2.53e-118, 2.53e-118j | 
| 0.87434661614458211883 + 4.7415212802435697112e-449j | 1.55e-118, 1.55e-118j | 
| 0.91895781162023062913 - 6.7126272967807582902e-450j | 2.85e-118, 2.85e-118j | 
| 0.99486932339189514632 + 3.9030909623618751686e-450j | 8.68e-119, 8.68e-119j | 
| -0.91895781162023062913 - 4.6985569724115407722e-451j | 3.21e-118, 3.21e-118j | 
| -0.87434661614458211883 + 8.1425610101325074233e-461j | 1.53e-118, 1.53e-118j | 
| 0.95413925640004885148 + 2.2739839472487460242e-470j | 2.9e-118, 2.9e-118j | 
| 0.82076344120727632636 + 4.6599632952190286669e-472j | 6.02e-119, 6.02e-119j | 
| 0.61210598254766284415 + 1.1639911323007450335e-474j | 7.39e-121, 7.39e-121j | 
| -0.75875812269279090191 + 6.5760214753651559738e-473j | 1.7e-119, 1.7e-119j | 
| -0.82076344120727632636 + 1.068716214850832639e-480j | 5.54e-119, 5.54e-119j | 
| -0.050649168838712712279 - 6.4307981139002281516e-493j | 1.79e-127, 1.79e-127j | 
| 0.6889669190756865678 - 1.6271711477272764314e-484j | 3.74e-120, 3.74e-120j | 
| 0.44039415155763430952 - 1.1698502282890487219e-487j | 6.88e-123, 6.88e-123j | 
| -0.15142777750457666366 - 7.5269072517842754969e-491j | 2e-126, 2e-126j | 
| -0.6889669190756865678 - 2.5571263242771337495e-485j | 4.23e-120, 4.23e-120j | 
| -0.25065253225872053931 - 9.6205526913886721931e-492j | 3.68e-125, 3.68e-125j | 
| 0.34730525284482028554 - 2.5565240619931415142e-489j | 6.68e-124, 6.68e-124j | 
| 0.75875812269279090191 - 5.1244800809207365044e-488j | 1.93e-119, 1.93e-119j | 
| 0.050649168838712712279 - 1.4273435443975017672e-496j | 1.05e-127, 1.05e-127j | 
| -0.52896401032696245737 + 1.5494911952556886835e-489j | 8.98e-122, 8.98e-122j | 
| -0.44039415155763430952 + 2.5088659789628407925e-491j | 8.83e-123, 8.83e-123j | 
| 0.15142777750457666366 - 1.857105675157218179e-496j | 2e-126, 2e-126j | 
| 0.52896401032696245737 + 2.9988256273641664821e-492j | 8.36e-122, 8.36e-122j | 
| 0.25065253225872053931 - 2.3550770183439030624e-497j | 3.09e-125, 3.09e-125j | 
| -0.34730525284482028554 + 2.0079588997972551954e-493j | 7.7e-124, 7.7e-124j | 
| -0.61210598254766284415 + 1.4309217250776093244e-491j | 6.93e-121, 6.93e-121j | 
| Weight (ball center) | Error (ball radius) | 
|---|---|
| 0.0013071320706414414657 - 9.110316977932648244e-422j | 2.87e-27, 1.04e-83j | 
| 0.00033016223786299203326 - 4.1372640181596910073e-422j | 1.55e-27, 5.61e-84j | 
| 0.0028909122385923173167 + 2.1885117465109629506e-421j | 1.14e-27, 4.12e-84j | 
| 0.0013071320706414414657 + 1.2825061695604707915e-423j | 7.58e-29, 2.74e-85j | 
| 0.0075973546721457668167 - 7.8771532250913715925e-423j | 3.05e-29, 1.1e-85j | 
| 0.0050166625955534424548 + 5.0791939570338413877e-423j | 3.28e-29, 1.18e-85j | 
| 0.00033016223786299203326 - 3.2142534804307562655e-424j | 1.14e-29, 4.11e-86j | 
| 0.0050166625955534424548 - 1.5919525343585734972e-421j | 1.45e-29, 5.24e-86j | 
| 0.0075973546721457668167 + 1.3883642799290999022e-421j | 2.99e-30, 1.08e-86j | 
| 0.0028909122385923173167 - 2.8736934141514603786e-423j | 6.68e-30, 2.42e-86j | 
| 0.010527334631535156685 + 1.1239910373081740904e-422j | 5.5e-31, 1.99e-87j | 
| 0.020171815036430976441 - 2.4360654469545662055e-422j | 5.7e-33, 2.06e-89j | 
| 0.013686648749926182844 + 1.1916296397225653421e-421j | 2.9e-32, 1.05e-88j | 
| 0.010527334631535156685 - 1.2745222168783325246e-421j | 1.45e-31, 5.26e-88j | 
| 0.032175311667611212037 + 6.6581029939860907788e-422j | 1.22e-34, 4.39e-91j | 
| 0.016945954336108269553 + 1.952218142650282583e-422j | 4.4e-33, 1.59e-89j | 
| 0.026001709395930045873 - 3.5198526351430203733e-422j | 1.8e-34, 6.51e-91j | 
| 0.031518375103226594379 - 7.315897695526860279e-422j | 3.69e-35, 1.33e-91j | 
| 0.016945954336108269553 - 1.1210202830214149632e-421j | 4.49e-35, 1.62e-91j | 
| 0.030231397034590034175 + 7.9724435902521553718e-422j | 1.55e-35, 5.62e-92j | 
| 0.028367066495045014547 + 4.1094637600159501145e-422j | 1.06e-35, 3.83e-92j | 
| 0.013686648749926182844 - 1.5134325822513329021e-422j | 1.75e-34, 6.31e-91j | 
| 0.032175311667611212037 - 6.0034063490836380766e-422j | 4.08e-36, 1.48e-92j | 
| 0.023232163734800553379 - 9.9110361604222177613e-422j | 7.5e-37, 2.71e-93j | 
| 0.026001709395930045873 + 9.2702506833104856619e-422j | 6.15e-37, 2.22e-93j | 
| 0.031518375103226594379 + 5.35679670990220445e-422j | 6.4e-37, 2.31e-93j | 
| 0.023232163734800553379 + 2.9602868428243375834e-422j | 6.7e-37, 2.42e-93j | 
| 0.030231397034590034175 - 4.7236356770505644935e-422j | 3.77e-37, 1.36e-93j | 
| 0.028367066495045014547 - 8.6244361089108192147e-422j | 6.27e-38, 2.29e-94j | 
| 0.020171815036430976441 + 1.0552740758211765366e-421j | 3.51e-38, 1.24e-94j | 
All rules of Chebyshev U (second kind) type can be downloaded here packed into a single file.