数列{a
n}满足
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224615737329744/SYS201311012246157373297013_ST/0.png)
,若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224615737329744/SYS201311012246157373297013_ST/1.png)
,则a
2004的值为
.
考点分析:
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