| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 2 |
| 1 |
| 2n−1 |
| 1 |
| 2n+1 |
=
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 2n−1 |
| 1 |
| 2n+1 |
=
| 1 |
| 2 |
| 1 |
| 2n+1 |
=
| 1 |
| 2 |
| 2n |
| 2n+1 |
=
| n |
| 2n+1 |
=
| 17 |
| 35 |
解得：n=17．
| 1 |
| 1×3 |
| 1 |
| 3×5 |
| 1 |
| 5×7 |
| 1 |
| (2n−1)(2n+1) |
| 17 |
| 35 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 2 |
| 1 |
| 2n−1 |
| 1 |
| 2n+1 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 2n−1 |
| 1 |
| 2n+1 |
| 1 |
| 2 |
| 1 |
| 2n+1 |
| 1 |
| 2 |
| 2n |
| 2n+1 |
| n |
| 2n+1 |
| 17 |
| 35 |