级数      长度          反馈系数

3         7             13

4         15            23

5         31            45,67,75

6         63            103,147,155

7         127           203,211,217,235,277,313,325,345,367

8         255           435,453,537,543,545,551,703,747

9         511           1021,1055,1131,1157,1167,1175

10        1023          2011,2033,2157,2443,2745,3471

11        2047          4005,4445,5023,5263,6211,7363

12        4095          10123,11417,12515,13505,14127,15053