1 | ||||
[
|
m |
150 |
a1 |
a2 |
a2 |
a3 |
an |
an+1 |
n |
2 |
1 |
3 |
1 |
(2n+1)(2n+3) |
1 |
2 |
1 |
2n+1 |
1 |
2n+3 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
5 |
1 |
7 |
1 |
2n+1 |
1 |
2n+3 |
1 |
2 |
1 |
3 |
1 |
2n+3 |
n |
3×(2n+3) |
n |
6n+9 |
Tn+1 |
Tn |
n+1 |
6n+15 |
6n+9 |
n |
6n2+15n+9 |
6n2+15n |
1 |
15 |
1 |
15 |
m |
150 |
ak |
ak+1 |
2k-1 |
2k+1-1 |
1 |
2 |
1 |
2(2k+1-1) |
1 |
2 |
1 |
3×2k+2k-2 |
1 |
2 |
1 |
3 |
1 |
2k |
a1 |
a2 |
a2 |
a3 |
an |
an+1 |
n |
2 |
1 |
3 |
1 |
2 |
1 |
22 |
1 |
2n |
n |
2 |
1 |
3 |
1 |
2n |
a1 |
a2 |
a2 |
a3 |
an |
an+1 |
n |
2 |
1 |
3 |
an+1 |
an |
1 |
64 |
1 |
17n-2 |
an+1 |
an |
an+1 |
an |
an |
an-1 |
an |
(n+2)! |
1 |
2 |
| ||
个n |
| ||
n个 |
1 |
an+an+1 |
1 |
a1a2 |
1 |
a2a3 |
1 |
a2008a2009 |
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