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| n | a(n) |
|---|---|
| 1 | 28 |
| 2 | 10512 |
| 3 | 519656 |
| 4 | 23075928 |
| 5 | 955490042 |
| 6 | 37763465272 |
| 7 | 1449940771656 |
| 8 | 54481157985120 |
| 9 | 2013987013843948 |
| 10 | 73499046502446216 |
| 11 | 2654628744412422502 |
| 12 | 95064295609902663936 |
| 13 | 3380059487036411031246 |
| 14 | 119451269294771081739640 |
[28,10512,519656,23075928,955490042,37763465272, 1449940771656,54481157985120,2013987013843948, 73499046502446216,2654628744412422502, 95064295609902663936,3380059487036411031246, 119451269294771081739640] |