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| n | a(n) |
|---|---|
| 0 | 13 |
| 1 | 125 |
| 2 | 138 |
| 3 | 2513 |
| 4 | 3821 |
| 5 | 51334 |
| 6 | 82155 |
| 7 | 133489 |
| 8 | 2155144 |
| 9 | 3489233 |
| 10 | 55144377 |
| 11 | 89233610 |
| 12 | 144377987 |
| 13 | 2336101597 |
| 14 | 3779872584 |
| 15 | 61015974181 |
| 16 | 98725846765 |
| 17 | 1597418110946 |
| 18 | 2584676517711 |
| 19 | 41811094628657 |
| 20 | 67651771146368 |
[13,125,138,2513,3821,51334,82155,133489,2155144, 3489233,55144377,89233610,144377987,2336101597, 3779872584,61015974181,98725846765,1597418110946, 2584676517711,41811094628657,67651771146368] |