| 数据
|
1, 2, 3, 6, 14, 32, 67, 134, 266, 538, 1110, 2304, 4760, 9770, 19991, 40931, 83976, 172519, 354452, 727830, 1493768, 3065341, 6291208, 12914136, 26511196, 54423052, 111715200, 229312168, 470697488, 966192481, 1983312305, 4071174986, 8356928055, 17154242334
|