[0,3,6,1,12,15,2,21,24,3,30,33,4,39,42,5,48,51,6, 57,60,7,66,69,8,75,78,9,84,87,10,93,96,11,102,105, 12,111,114,13,120,123,14,129,132,15,138,141,16, 147,150,17,156,159,18,165,168,19,174,177,20,183, 186]