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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 63 |
| 4 | 2766 |
| 5 | 194650 |
| 6 | 21086055 |
| 7 | 3257119761 |
| 8 | 679314442828 |
| 9 | 183842034768036 |
| 10 | 62630787876947325 |
| 11 | 26224409462275175635 |
| 12 | 13236607762537219815546 |
| 13 | 7925653200467421739217118 |
| 14 | 5554198822066977588903819331 |
| 15 | 4503367772662184077396436475525 |
| 16 | 4182811121982123218357983540881240 |
[1,63,2766,194650,21086055,3257119761, 679314442828,183842034768036,62630787876947325, 26224409462275175635,13236607762537219815546, 7925653200467421739217118, 5554198822066977588903819331, 4503367772662184077396436475525, 4182811121982123218357983540881240] |