[1,1,2,1,2,4,1,2,4,8,1,2,4,8,16,1,2,4,8,16,32,1,2, 4,8,16,32,64,1,2,4,8,16,32,64,128,1,2,4,8,16,32, 64,128,256,1,2,4,8,16,32,64,128,256,512,1,2,4,8, 16,32,64,128,256,512,1024,1,2,4,8,16,32,64,128, 256,512,1024,2048]