[0,2,1,3,3,4,4,4,5,7,4,5,6,7,9,5,5,6,8,10,12,5,6, 7,8,10,12,14,6,6,7,9,10,12,14,17,6,7,8,9,11,13,15, 17,19,6,7,8,9,11,13,15,17,19,21,7,7,8,10,11,13,15, 17,19,22,24,7,8,9,10,12,13,15,17,20,22,24,26]