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) | 
|---|---|
| 0.92387953251128675613 - 1.2634920662350609083e-175j | 7.16e-63, 7.16e-63j | 
| -0.7071067811865475244 - 9.4137494730581410849e-184j | 1.24e-62, 1.24e-62j | 
| -0.92387953251128675613 + 4.1096425293907556995e-194j | 7.02e-63, 7.02e-63j | 
| -0.38268343236508977173 - 1.7542263113931718862e-203j | 2.01e-63, 2.01e-63j | 
| 0.38268343236508977173 - 2.5991486257941638212e-213j | 2.01e-63, 2.01e-63j | 
| 0.7071067811865475244 + 2.1612908839133067699e-223j | 9.8e-63, 9.8e-63j | 
| 3.0192884857486562382e-233 - 6.4411487695971333082e-232j | 4.51e-231, 4.51e-231j | 
| Weight (ball center) | Error (ball radius) | 
|---|---|
| 0.018305826175840779725 + 2.188714612590892908e-176j | 1.87e-27, 2.29e-58j | 
| 0.0625 - 4.8417485488448564611e-177j | 8.14e-28, 1e-58j | 
| 0.018305826175840779725 + 1.2517467838735264539e-177j | 3.82e-28, 4.67e-59j | 
| 0.10669417382415922028 + 1.031769993557970213e-176j | 3.21e-28, 4.01e-59j | 
| 0.10669417382415922028 + 2.490913046171253849e-176j | 1.53e-28, 1.83e-59j | 
| 0.0625 - 3.6429050121514803049e-176j | 8.81e-29, 1.01e-59j | 
| 0.125 - 1.7094924636715036644e-176j | 1.07e-28, 1.38e-59j | 
All rules of Chebyshev U (second kind) type can be downloaded here packed into a single file.