1 |
anan+1 |
|
|
|
1 |
anan+1 |
1 |
(3n-2)(3n+1) |
1 |
3 |
1 |
3n-2 |
1 |
3n+1 |
1 |
anan+1 |
1 |
a1a2 |
1 |
a2a3 |
1 |
anan+1 |
1 |
3 |
1 |
4 |
1 |
3 |
1 |
4 |
1 |
7 |
1 |
3 |
1 |
7 |
1 |
10 |
1 |
3 |
1 |
3n-5 |
1 |
3n-2 |
1 |
3 |
1 |
3n-2 |
1 |
3n+1 |
1 |
3 |
1 |
3n+1 |
n |
3n+1 |
m |
3m+1 |
1 |
4 |
n |
3n+1 |
4m2 |
-3m2+6m+1 |
2
| ||
3 |
|
A.S1=S19 | B.S3=S17 | C.S5=S12 | D.S8=S11 |
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