[1,1,0,2,0,4,0,8,0,16,0,32,0,64,0,128,0,256,0,512, 0,1024,0,2048,0,4096,0,8192,0,16384,0,32768,0, 65536,0,131072,0,262144,0,524288,0,1048576,0, 2097152,0,4194304,0,8388608,0]