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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 41 |
| 3 | 193 |
| 4 | 833 |
| 5 | 3457 |
| 6 | 14081 |
| 7 | 56833 |
| 8 | 228353 |
| 9 | 915457 |
| 10 | 3665921 |
| 11 | 14671873 |
| 12 | 58703873 |
| 13 | 234848257 |
| 14 | 939458561 |
| 15 | 3757965313 |
[1,8,41,193,833,3457,14081,56833,228353,915457, 3665921,14671873,58703873,234848257,939458561, 3757965313] |