xn+2 |
xn-2 |
xn |
2 |
2 |
xn |
xn |
2 |
2 |
xn |
xn |
2 |
2 |
xn |
(xn+2)2 |
2xn |
(xn-2)2 |
2xn |
xn+1+2 |
xn+1-2 |
xn+2 |
xn-2 |
xn+1+2 |
xn+1-2 |
xn+2 |
xn-2 |
x1+2 |
x1-2 |
xn+2 |
xn-2 |
xn+2 |
xn-2 |
2(32n-1+1) |
32n-1-1 |
2(32n-1+1) |
32n-1-1 |
4 |
32n-1-1 |
bn+1 |
bn |
32n-1-1 |
32n-1 |
1 |
32n-1+1 |
1 |
32n-1 |
1 |
321-1 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
b1[1-(
| ||
1-
|
1 |
3 |
7 |
4 |
1 |
2 |
1 |
a1 |
1 |
a2 |
1 |
a3 |
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