[1,4,6,18,36,80,172,360,760,1576,3264,6720,13776,28160,57376,116640,236608,479104,968640,1955712,3944064,7945856,15993856,32168448,64656640,129879040,260759040,523289088,1049711616,2104967168,4219743232,8456841216,16944388096]