[1,1,2,2,2,3,1,3,3,4,2,2,4,4,5,1,3,3,5,5,6,2,2,4, 4,6,6,7,1,3,3,5,5,7,7,8,2,2,4,4,6,6,8,8,9,1,3,3,5, 5,7,7,9,9,10]