Table 1: The partition of the set into the classes .

2468101214161820Total

4022
64048
801816842
106401442430262
120392616480268721828
141764060841760321871228213820
16013122280002741225040123404220820110954
186864403047041152002613809966466224145123130933458
200578888149196816843841980960131557273794428402868892102248152860