[1,2,2,3,3,5,5,6,7,7,7,9,9,9,11,12,12,13,13,15,15, 15,15,17,18,18,18,20,20,22,22,23,23,23,25,26,26, 26,26,28,28,30,30,30,32,32,32,34,35,36,36,36,36, 38,38,40,40,40,40,42,42,42,44,45,45,47,47,47,47, 49,49,52,52]