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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 35 |
| 3 | 934 |
| 4 | 16843 |
| 5 | 451318 |
| 6 | 15616828 |
| 7 | 730435588 |
| 8 | 40083129145 |
| 9 | 2390612565177 |
| 10 | 147969997624544 |
[15,35,934,16843,451318,15616828,730435588, 40083129145,2390612565177,147969997624544] |