[0,1,2,4,6,9,12,16,20,25,30,36,42,48,55,63,72,81, 91,101,112,123,135,147,159,171,184,198,212,227, 243,260,277,295,313,332,351,370,389,409,429,450, 472,494,517,540,564,588,613,638,664,690,717,744, 771,799]