1 |
2-log2an |
3 |
4 |
an+1 |
an |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2-log2an |
1 |
2-(2-n) |
1 |
n |
1 |
n(n+2) |
1 |
2 |
1 |
n |
1 |
n+2 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
4 |
1 |
3 |
1 |
5 |
1 |
4 |
1 |
6 |
1 |
n-2 |
1 |
n |
1 |
n-1 |
1 |
n+1 |
1 |
n |
1 |
n+2 |
1 |
2 |
1 |
2 |
1 |
n+1 |
1 |
n+2 |
1 |
2 |
3 |
2 |
1 |
n+1 |
1 |
n+2 |
3 |
4 |
1 |
2 |
1 |
n+1 |
1 |
n+2 |
3 |
4 |
x |
2010 |
2009 |
32 |
a2 |
33 |
a3 |
32010 |
a2010 |
1 | ||
|
1 |
bn |
1 |
b1b2 |
1 |
b2b3 |
1 |
bnbn+1 |
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