[1,1,1,1,1,1,1,2,2,3,3,3,3,3,4,4,5,5,6,6,6,7,7,8, 8,9,9,10,11,11,12,12,13,13,14,15,16,17,17,18,18, 19,20,21,22,23,24,24,25,26,27,28,29,30,31,32,33, 34,35,36,37,38,39]