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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 53 |
| 3 | 63 |
| 4 | 199 |
| 5 | 649 |
| 6 | 1749 |
| 7 | 4719 |
| 8 | 13770 |
| 9 | 38535 |
| 10 | 106694 |
| 11 | 302759 |
| 12 | 853104 |
| 13 | 2385813 |
| 14 | 6717043 |
| 15 | 18917295 |
| 16 | 53110690 |
| 17 | 149304292 |
| 18 | 420051407 |
| 19 | 1180658209 |
| 20 | 3318836197 |
| 21 | 9332768412 |
| 22 | 26238657260 |
| 23 | 73763895813 |
| 24 | 207396353458 |
| 25 | 583103500176 |
[8,53,63,199,649,1749,4719,13770,38535,106694, 302759,853104,2385813,6717043,18917295,53110690, 149304292,420051407,1180658209,3318836197, 9332768412,26238657260,73763895813,207396353458, 583103500176] |