[2,4,7,12,21,38,71,136,265,522,1035,2060,4109, 8206,16399,32784,65553,131090,262163,524308, 1048597,2097174,4194327,8388632,16777241,33554458, 67108891,134217756,268435485,536870942,1073741855, 2147483680,4294967329,8589934626]