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| n | a(n) |
|---|---|
| 1 | 47952 |
| 2 | 391672 |
| 3 | 2285619 |
| 4 | 15926522 |
| 5 | 123925495 |
| 6 | 1040732508 |
| 7 | 8210225326 |
| 8 | 61055186760 |
| 9 | 491935338326 |
| 10 | 4018284920822 |
| 11 | 31470135259374 |
| 12 | 240851339079818 |
| 13 | 1945334078395864 |
| 14 | 15527133690869068 |
| 15 | 121770755141113168 |
[47952,391672,2285619,15926522,123925495, 1040732508,8210225326,61055186760,491935338326, 4018284920822,31470135259374,240851339079818, 1945334078395864,15527133690869068, 121770755141113168] |