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| n | a(n) |
|---|---|
| 1 | 107 |
| 2 | 4201 |
| 3 | 18181981 |
| 4 | 29884303 |
| 5 | 72147193 |
| 6 | 81927499 |
| 7 | 208506511 |
| 8 | 383148631 |
| 9 | 402473443 |
| 10 | 1106558899 |
| 11 | 1391119621 |
| 12 | 1459314919 |
| 13 | 1498299289 |
| 14 | 1945171369 |
| 15 | 4593570199 |
| 16 | 7908301729 |
| 17 | 8052037969 |
| 18 | 9970592521 |
| 19 | 10594343761 |
| 20 | 11304695329 |
| 21 | 14119758703 |
| 22 | 15111907009 |
| 23 | 23157107803 |
[107,4201,18181981,29884303,72147193,81927499, 208506511,383148631,402473443,1106558899, 1391119621,1459314919,1498299289,1945171369, 4593570199,7908301729,8052037969,9970592521, 10594343761,11304695329,14119758703,15111907009, 23157107803] |