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| n | a(n) |
|---|---|
| 1 | 639228 |
| 2 | 4613955 |
| 3 | 57766489 |
| 4 | 916707473 |
| 5 | 13584142368 |
| 6 | 209357338632 |
| 7 | 3329338589296 |
| 8 | 52183619444529 |
| 9 | 815552990856702 |
| 10 | 12820383787282287 |
| 11 | 201368323746925262 |
| 12 | 3158998987149180769 |
| 13 | 49589358799802401415 |
[639228,4613955,57766489,916707473,13584142368, 209357338632,3329338589296,52183619444529, 815552990856702,12820383787282287, 201368323746925262,3158998987149180769, 49589358799802401415] |