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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1897 |
| 3 | 85041 |
| 4 | 1717882 |
| 5 | 90535227 |
| 6 | 4869858862 |
| 7 | 197589351469 |
| 8 | 8462603863772 |
| 9 | 387143404127578 |
| 10 | 17208423873690915 |
| 11 | 757092974470971658 |
| 12 | 33594816998930823407 |
| 13 | 1491858261000140438998 |
| 14 | 66127149761814467849317 |
[1,1897,85041,1717882,90535227,4869858862, 197589351469,8462603863772,387143404127578, 17208423873690915,757092974470971658, 33594816998930823407,1491858261000140438998, 66127149761814467849317] |