1 | ||
|
1 |
4 |
n |
9 |
bn |
cn |
1 |
2 |
1 | ||
|
1 |
4n(n+1) |
1 |
4 |
1 |
4n(n-1) |
1 |
4 |
1 |
n |
1 |
n+1 |
1 |
4 |
1 |
n+1 |
1 |
n |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
n+1 |
n |
4(n+1) |
1 |
4 |
1 |
4(n+1) |
1 |
4n |
n |
9 |
bn |
cn |
1 |
4n(n+1) |
1 |
4n |
n |
9 |
1 |
n+1 |
n |
9 |
1 |
n+1 |
n+1 |
9 |
1 |
n+1 |
1 |
9 |
n+1 |
9 |
1 |
n+1 |
1 |
9 |
|
1 |
9 |
2 |
3 |
1 |
9 |
5 |
9 |
n+1 |
9 |
1 |
n+1 |
5 |
9 |
1 |
3 |
Sn |
Sn-1 |
1 |
bnbn+1 |
1001 |
2010 |
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