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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 218 |
| 3 | 9482 |
| 4 | 457712 |
| 5 | 22375458 |
| 6 | 1103498043 |
| 7 | 54446999831 |
| 8 | 2687689834743 |
| 9 | 132666417488114 |
| 10 | 6548713810387879 |
| 11 | 323256199668617476 |
| 12 | 15956549284724388645 |
| 13 | 787645179268653581373 |
| 14 | 38879655000676000582023 |
| 15 | 1919173045780901708089448 |
[3,218,9482,457712,22375458,1103498043, 54446999831,2687689834743,132666417488114, 6548713810387879,323256199668617476, 15956549284724388645,787645179268653581373, 38879655000676000582023,1919173045780901708089448] |