6.(2008年惠州调研)函数f(x)由下表定义:
|
x |
2 |
5 |
3 |
1 |
4 |
|
f(x) |
1 |
2 |
3 |
4 |
5 |
若a0=5,an+1=f(an),n=0,1,2,…,则a2007=____________.
6.(2008年惠州调研)函数f(x)由下表定义:
|
x |
2 |
5 |
3 |
1 |
4 |
|
f(x) |
1 |
2 |
3 |
4 |
5 |
若a0=5,an+1=f(an),n=0,1,2,…,则a2007=____________.