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已知f(x)由下表定义 x 1 2 3 4 5 f(x) 3 4 5 2 1 若a1=1,...
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已知f(x)由下表定义
x | 1 | 2 | 3 | 4 | 5 |
f(x) | 3 | 4 | 5 | 2 | 1 |
若a
1=1,a
2=5,a
n+2=f(a
n),n∈N
*,则a
2008的值是________.
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