数列
定义如下:
,且当
时,
,已知
,则正整数n的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e46c7d7f19e894499faf72e521a35e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b1d0936c50b18453e28ee6a9536299.png)
更新时间:2024-06-08 08:26:05
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【知识点】 根据数列递推公式写出数列的项
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