1 |
a 1a2 |
1 |
a2a3 |
1 |
anan+1 |
|
|
1 |
anan+1 |
1 |
(2n-1)(2n+1) |
1 |
2 |
1 |
2n-1 |
1 |
2n+1 |
1 |
a1a2 |
1 |
a2a3 |
1 |
a2011a2012 |
1 |
1×3 |
1 |
3×5 |
1 |
2009×2011 |
1 |
2011×2013 |
1 |
4021×4023 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
5 |
1 |
2011 |
1 |
2013 |
1 |
4021 |
1 |
4023 |
1 |
2 |
1 |
4023 |
2011 |
4023 |
q |
a1a2 |
q |
a2a3 |
q |
anan+1 |
nTn+1-2n |
Tn+2-2 |
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