[1,1,1,1,1,2,1,1,2,4,1,1,2,4,8,1,1,2,4,8,16,1,1,2, 4,8,16,32,1,1,2,4,8,16,32,64,1,1,2,4,8,16,32,64, 128,1,1,2,4,8,16,32,64,128,256,1,1,2,4,8,16,32,64, 128,256,512]