已知数列
的通项公式为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7eb622531d91f86b0f07ce2ac7d470.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf96c374f0968927dfc7c29eb957a13c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7eb622531d91f86b0f07ce2ac7d470.png)
更新时间:2023-09-15 11:49:36
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【知识点】 根据数列递推公式写出数列的项