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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 115 |
| 3 | 1441 |
| 4 | 17505 |
| 5 | 205323 |
| 6 | 2352642 |
| 7 | 26616961 |
| 8 | 299065708 |
| 9 | 3347252663 |
| 10 | 37378135504 |
| 11 | 416811197294 |
| 12 | 4643851898712 |
| 13 | 51709572437898 |
| 14 | 575575826236700 |
| 15 | 6405129188993734 |
| 16 | 71266042324237205 |
| 17 | 792848605905100847 |
[8,115,1441,17505,205323,2352642,26616961, 299065708,3347252663,37378135504,416811197294, 4643851898712,51709572437898,575575826236700, 6405129188993734,71266042324237205, 792848605905100847] |