Base-2 sequences:
- for odd number steps, it's unlikely to generate close values
- the more factor 2 appear in the step, the more it is likely to generate close values
对学生隐藏该文件夹。
13
表达式18:
18
Base-3 sequences:
- similar to base-2, except 2 is replaced by 3
对学生隐藏该文件夹。
19
表达式24:
24
Conclusion:
- The first and the 2nd, 4th, 6th... generated items are less likely to be the same;
- The first and the 5th, 9th, 17th, 25th... generated items are **more** likely to be the same compared to a regular random generator.
