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) | 
|---|---|
| 0.62348980185873353053 + 2.7403951810344254912e-857j | 3.1e-240, 3.1e-240j | 
| -0.98883082622512854507 - 6.196449171950993211e-848j | 6.03e-234, 6.03e-234j | 
| -0.93969262078590838405 + 1.9409019461050623242e-851j | 2.93e-234, 2.93e-234j | 
| 0.98017248784854384262 + 8.8882962094842412833e-849j | 8.19e-234, 8.19e-234j | 
| 0.92147621187040765365 + 5.2930417468283132868e-858j | 2.05e-234, 2.05e-234j | 
| 0.90096886790241912624 - 1.0704233377755610167e-864j | 9.3e-235, 9.3e-235j | 
| 0.96907728622907794773 + 2.2568586201419319315e-870j | 6.57e-234, 6.57e-234j | 
| -0.87822157337022853557 - 4.6349213868073733179e-883j | 4.11e-235, 4.11e-235j | 
| 0.99503077536540140991 + 1.8212935693528472742e-879j | 3.6e-234, 3.6e-234j | 
| -0.95557280578614073281 - 3.6209907756730191486e-890j | 4.84e-234, 4.84e-234j | 
| 0.85329088163215566029 - 7.387831171992355269e-891j | 1.51e-235, 1.51e-235j | 
| 0.17364817766693034885 - 1.3711829884452159928e-908j | 2.49e-251, 2.49e-251j | 
| -0.92147621187040765365 - 9.4069053317726421013e-892j | 1.98e-234, 1.98e-234j | 
| -0.85329088163215566029 + 9.9310291920521033875e-893j | 1.38e-235, 1.38e-235j | 
| -0.99875692121892236975 - 2.3351572929836249561e-891j | 1.15e-234, 1.15e-234j | 
| 0.87822157337022853557 + 1.3929861788123521607e-890j | 3.7e-235, 3.7e-235j | 
| 0.93969262078590838405 + 2.3409377650205016768e-888j | 3.56e-234, 3.56e-234j | 
| -0.98017248784854384262 + 4.885233869385818907e-900j | 7.12e-234, 7.12e-234j | 
| -0.7660444431189780352 - 1.0671616614064309036e-906j | 2.86e-237, 2.86e-237j | 
| -0.90096886790241912624 - 5.8875606289422997865e-904j | 9.21e-235, 9.21e-235j | 
| 0.82623877431599487195 - 6.6601794137260027275e-902j | 4.5e-236, 4.5e-236j | 
| 0.73305187182982632852 - 3.4267345495492860028e-906j | 5.75e-238, 5.75e-238j | 
| -0.36534102436639501454 - 2.2087293759072714638e-917j | 2.19e-246, 2.19e-246j | 
| -0.69823681808607283034 - 5.3470043914897584603e-908j | 1.08e-238, 1.08e-238j | 
| -0.79713250722292247934 - 1.9285668812760917934e-905j | 1.52e-236, 1.52e-236j | 
| 0.95557280578614073281 + 1.0053103188187710262e-900j | 4.77e-234, 4.77e-234j | 
| 0.7660444431189780352 + 1.6448380204613029831e-917j | 2.87e-237, 2.87e-237j | 
| -0.99503077536540140991 - 7.1586645627529403234e-912j | 3.48e-234, 3.48e-234j | 
| -0.17364817766693034885 - 3.7782660101143778328e-936j | 2.72e-251, 2.72e-251j | 
| -0.66168583759685941524 - 1.2821864365144432974e-922j | 2.31e-239, 2.31e-239j | 
| -0.96907728622907794773 + 3.580470569041115182e-918j | 6.86e-234, 6.86e-234j | 
| 0.69823681808607283034 + 1.7864390326413770763e-922j | 1.21e-238, 1.21e-238j | 
| 0.66168583759685941524 + 9.2766600909455161725e-926j | 2.14e-239, 2.14e-239j | 
| 0.98883082622512854507 + 2.0798760711815190698e-922j | 5.5e-234, 5.5e-234j | 
| -0.62348980185873353053 - 2.6612214718177361566e-952j | 3.08e-240, 3.08e-240j | 
| -0.73305187182982632852 + 9.2450007722022647554e-950j | 5.37e-238, 5.37e-238j | 
| 0.22252093395631440429 - 6.4909199865079453742e-962j | 4.78e-250, 4.78e-250j | 
| 0.58374367223478987045 - 5.0419888460914328278e-952j | 3.32e-241, 3.32e-241j | 
| 0.79713250722292247934 + 8.1659560507024735037e-947j | 1.38e-236, 1.38e-236j | 
| 0.99875692121892236975 - 2.7432562965994058401e-958j | 1.01e-234, 1.01e-234j | 
| -0.58374367223478987045 + 7.4882769859459590032e-971j | 3.78e-241, 3.78e-241j | 
| -0.22252093395631440429 + 8.7843757008189295763e-981j | 4.62e-250, 4.62e-250j | 
| 0.45621065735316296398 - 3.2707508771330811334e-975j | 4.15e-244, 4.15e-244j | 
| 0.54254626386575940578 + 6.1687320455214115208e-974j | 4.58e-242, 4.58e-242j | 
| -0.024930691738072875282 - 1.1928186587189608657e-988j | 2.44e-255, 2.44e-255j | 
| -0.54254626386575940578 + 1.7511900503995644285e-971j | 4.37e-242, 4.37e-242j | 
| -0.5 - 4.5106873483609675304e-973j | 4.43e-243, 4.43e-243j | 
| 0.024930691738072875282 - 2.8442044244964147669e-986j | 2.44e-255, 2.44e-255j | 
| 0.5 - 2.5261668437154123797e-974j | 5.52e-243, 5.52e-243j | 
| 0.27084046814300511738 - 5.4235954852156906341e-980j | 1.13e-248, 1.13e-248j | 
| -0.12434370464748517431 + 5.7170898955545274447e-984j | 1.26e-252, 1.26e-252j | 
| -0.41128710313061153946 + 6.0156195586308948556e-975j | 3.56e-245, 3.56e-245j | 
| -0.074730093586424254291 - 1.533007435538822351e-985j | 5.07e-254, 5.07e-254j | 
| 0.31848665025168442738 + 1.0345217191505193695e-978j | 1.41e-247, 1.41e-247j | 
| 0.36534102436639501454 + 5.9440148418570774646e-978j | 2.2e-246, 2.2e-246j | 
| -0.82623877431599487195 + 3.1490095274131800319e-981j | 5.1e-236, 5.1e-236j | 
| -0.45621065735316296398 - 2.9232766791469649623e-990j | 4.18e-244, 4.18e-244j | 
| -0.31848665025168442738 + 8.7297764832312710076e-994j | 1.56e-247, 1.56e-247j | 
| 0.12434370464748517431 - 2.1060151336173923122e-999j | 1.26e-252, 1.26e-252j | 
| 0.41128710313061153946 + 4.5072344236040097644e-991j | 2.86e-245, 2.86e-245j | 
| 0.074730093586424254291 + 2.2046031969212132262e-1002j | 5.05e-254, 5.05e-254j | 
| -0.27084046814300511738 + 6.0409752488380823263e-996j | 9.21e-249, 9.21e-249j | 
| Weight (ball center) | Error (ball radius) | 
|---|---|
| 0.009702547094891384161 - 6.1454757358713919313e-850j | 2.81e-51, 1.85e-162j | 
| 0.00035259677947507354912 - 1.4605975878413337318e-849j | 9.19e-52, 6.06e-163j | 
| 0.0018567901339763648 - 2.3496202885801223417e-849j | 7.05e-52, 4.65e-163j | 
| 0.00062320466769517735201 - 2.2703601813113527849e-850j | 2.52e-52, 1.66e-163j | 
| 0.0023949458882057711877 - 4.4032306810292872879e-850j | 4.23e-52, 2.79e-163j | 
| 0.0029881761757243370593 + 4.3328318180134217896e-850j | 3.46e-52, 2.28e-163j | 
| 0.0009664954494426306701 + 8.048315477489812316e-850j | 1.36e-52, 8.96e-164j | 
| 0.0036305852074146078907 + 2.050110809144942752e-849j | 3.52e-54, 2.33e-165j | 
| 0.00015736120755123934427 + 8.9220715471912717336e-851j | 1.33e-53, 8.76e-165j | 
| 0.0013790573466984533973 + 2.5774005332470699978e-849j | 3.05e-54, 2.01e-165j | 
| 0.0043157884337050558414 + 4.4745503535200507404e-850j | 4.19e-54, 2.76e-165j | 
| 0.015394385879253241143 - 9.8996388012102129588e-850j | 7.74e-56, 5.11e-167j | 
| 0.0023949458882057711877 + 2.2119300920627734117e-849j | 2.57e-54, 1.7e-165j | 
| 0.0043157884337050558414 - 1.992991964919899524e-849j | 3.13e-55, 2.06e-166j | 
| 3.9438290750782461032e-05 + 2.4600678674368307775e-850j | 3.16e-56, 2.08e-167j | 
| 0.0036305852074146078907 - 4.3697666331816801298e-850j | 5.67e-55, 3.74e-166j | 
| 0.0018567901339763648 + 4.6734194080840818677e-850j | 6.02e-55, 3.97e-166j | 
| 0.00062320466769517735201 + 4.463167334144357812e-849j | 1.69e-55, 1.12e-166j | 
| 0.0065583477962942035805 + 1.8567493534101660209e-849j | 4.71e-58, 3.11e-169j | 
| 0.0029881761757243370593 - 2.1200272501657954475e-849j | 2.67e-55, 1.76e-166j | 
| 0.0050369759970921030592 - 4.6274183970542565129e-850j | 6.41e-57, 4.23e-168j | 
| 0.0073434119556632995691 + 5.2830205304641075846e-850j | 2.04e-58, 1.35e-169j | 
| 0.013754379935157351814 + 1.4573509938850908883e-849j | 2.45e-61, 1.62e-172j | 
| 0.0081343705693497847245 + 1.7769465534130748228e-849j | 1.18e-59, 7.78e-171j | 
| 0.0057869804115634514493 - 1.8987341410241410687e-849j | 3.23e-58, 2.13e-169j | 
| 0.0013790573466984533973 - 5.4221143019933431847e-850j | 2.68e-57, 1.77e-168j | 
| 0.0065583477962942035805 - 5.0373220806406089977e-850j | 6e-59, 3.96e-170j | 
| 0.00015736120755123934427 - 1.5719604388097540593e-849j | 3.95e-57, 2.61e-168j | 
| 0.015394385879253241143 + 1.2883721581258003351e-849j | 1.22e-63, 8.06e-175j | 
| 0.0089233627352975013834 - 1.7378571921458995256e-849j | 3.65e-61, 2.41e-172j | 
| 0.0009664954494426306701 - 3.0368260606324112424e-849j | 7.59e-57, 5.01e-168j | 
| 0.0081343705693497847245 - 5.551157359274682478e-850j | 6.98e-61, 4.6e-172j | 
| 0.0089233627352975013834 + 5.8392941183524631222e-850j | 1.87e-61, 1.24e-172j | 
| 0.00035259677947507354912 - 3.5091735464963558205e-850j | 2.26e-60, 1.49e-171j | 
| 0.009702547094891384161 + 1.6988032684142066531e-849j | 4.11e-63, 2.71e-174j | 
| 0.0073434119556632995691 - 1.8164083745542157082e-849j | 2.67e-61, 1.76e-172j | 
| 0.015087054507162056557 + 9.4849075339651338471e-850j | 2.09e-66, 1.38e-177j | 
| 0.01046417976390225736 + 6.4680549009419108887e-850j | 4.21e-64, 2.78e-175j | 
| 0.0057869804115634514493 + 4.8172802436100720843e-850j | 2.38e-61, 1.57e-172j | 
| 3.9438290750782461032e-05 - 1.763285750802303914e-851j | 4.1e-62, 2.71e-173j | 
| 0.01046417976390225736 - 1.6595630160717302729e-849j | 4.01e-65, 2.65e-176j | 
| 0.015087054507162056557 - 1.3310424371097729365e-849j | 9.74e-68, 6.42e-179j | 
| 0.012569394224085633892 - 7.5203312952406687217e-850j | 3.42e-67, 2.26e-178j | 
| 0.01120069129468739317 - 6.8055848688090522465e-850j | 1.12e-65, 7.42e-177j | 
| 0.015863150168404145792 - 1.1597093564972850716e-849j | 1.61e-69, 1.06e-180j | 
| 0.01120069129468739317 + 1.6199952037945463597e-849j | 2.3e-67, 1.52e-178j | 
| 0.011904761904761904762 - 1.5800163022922168845e-849j | 3.93e-68, 2.59e-179j | 
| 0.015863150168404145792 + 1.1168923845196141974e-849j | 4.37e-70, 2.88e-181j | 
| 0.011904761904761904762 + 7.1567519168869458187e-850j | 6.24e-68, 4.12e-179j | 
| 0.014708657790731394129 - 9.0760484025631036141e-850j | 4.89e-70, 3.23e-181j | 
| 0.015627597509754586887 - 1.2455378956969571036e-849j | 1.68e-70, 1.11e-181j | 
| 0.013187982838070312819 - 1.4986918259486714955e-849j | 1.14e-70, 7.49e-182j | 
| 0.015784371636707369405 + 1.2026214094324234198e-849j | 1.22e-70, 8.04e-182j | 
| 0.014262956406531130788 + 8.6740989815285797525e-850j | 4.39e-71, 2.9e-182j | 
| 0.013754379935157351814 - 8.2801122744193111641e-850j | 2.94e-71, 1.94e-182j | 
| 0.0050369759970921030592 + 1.9435343463770624146e-849j | 3.42e-70, 2.25e-181j | 
| 0.012569394224085633892 + 1.5395850598805014754e-849j | 3.66e-71, 2.41e-182j | 
| 0.014262956406531130788 - 1.4155955396986259267e-849j | 4.65e-72, 3.07e-183j | 
| 0.015627597509754586887 + 1.0319219717351903137e-849j | 1.04e-72, 6.9e-184j | 
| 0.013187982838070312819 + 7.8951588461012616691e-850j | 1.69e-72, 1.12e-183j | 
| 0.015784371636707369405 - 1.0742643985802979545e-849j | 8.31e-73, 5.55e-184j | 
| 0.014708657790731394129 + 1.3734729972884833001e-849j | 6.37e-73, 4.06e-184j | 
All rules of Chebyshev U (second kind) type can be downloaded here packed into a single file.