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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 229 |
| 3 | 8265 |
| 4 | 348349 |
| 5 | 16015309 |
| 6 | 778537149 |
| 7 | 39348577689 |
| 8 | 2046753733661 |
| 9 | 108845415772629 |
| 10 | 5890878814795401 |
| 11 | 323408093688028781 |
| 12 | 17966522918887184357 |
| 13 | 1008117869403566779605 |
| 14 | 57050765652157351532365 |
| 15 | 3252460557853243186407529 |
| 16 | 186619243293579737401397901 |
| 17 | 10768643445899311909031558245 |
[1,9,229,8265,348349,16015309,778537149, 39348577689,2046753733661,108845415772629, 5890878814795401,323408093688028781, 17966522918887184357,1008117869403566779605, 57050765652157351532365,3252460557853243186407529, 186619243293579737401397901, 10768643445899311909031558245] |