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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 17 |
| 3 | 29 |
| 4 | 187 |
| 5 | 239 |
| 6 | 154171 |
| 7 | 3611 |
| 8 | 33769 |
| 9 | 5357059 |
| 10 | 6343357 |
| 11 | 1682587 |
| 12 | 1180160627 |
| 13 | 216518419 |
| 14 | 23210790989 |
| 15 | 162353824243 |
| 16 | 18887016244267 |
| 17 | 133352331553 |
| 18 | 145127013948871 |
| 19 | 22881233056501 |
| 20 | 8407567578961 |
| 21 | 51819058757407181 |
[1,17,29,187,239,154171,3611,33769,5357059, 6343357,1682587,1180160627,216518419,23210790989, 162353824243,18887016244267,133352331553, 145127013948871,22881233056501,8407567578961, 51819058757407181] |