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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 14 |
| 3 | 8567 |
| 4 | 16499 |
| 5 | 151211 |
| 6 | 344891 |
| 7 | 418831 |
| 8 | 585197 |
| 9 | 1049882 |
| 10 | 1186582 |
| 11 | 1671029 |
| 12 | 2503966 |
| 13 | 2989387 |
| 14 | 4802311 |
| 15 | 8291795 |
| 16 | 9769711 |
| 17 | 11420129 |
| 18 | 13279957 |
| 19 | 13677063 |
| 20 | 15356513 |
| 21 | 16258813 |
| 22 | 24318863 |
| 23 | 26874293 |
| 24 | 39317497 |
| 25 | 42862751 |
[4,14,8567,16499,151211,344891,418831,585197, 1049882,1186582,1671029,2503966,2989387,4802311, 8291795,9769711,11420129,13279957,13677063, 15356513,16258813,24318863,26874293,39317497, 42862751] |