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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 19 |
| 3 | 35 |
| 4 | 115 |
| 5 | 44095 |
| 6 | 211117 |
| 7 | 14376053 |
| 8 | 43472060395 |
| 9 | 561558718915 |
| 10 | 2182879071661 |
[1,19,35,115,44095,211117,14376053,43472060395, 561558718915,2182879071661] |