| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 27 |
| 3 | 170 |
| 4 | 242 |
| 5 | 2522 |
| 6 | 5882 |
| 7 | 18238 |
| 8 | 48513 |
| 9 | 61532 |
| 10 | 506517 |
| 11 | 752714 |
| 12 | 1213848 |
| 13 | 3098613 |
| 14 | 5481504 |
| 15 | 78214964 |
| 16 | 103886546 |
| 17 | 118689518 |
| 18 | 1608906624 |
| 19 | 3939877246 |
| 20 | 7964728742 |
| 21 | 166384601987 |
| 22 | 250060982098 |
[8,27,170,242,2522,5882,18238,48513,61532,506517, 752714,1213848,3098613,5481504,78214964,103886546, 118689518,1608906624,3939877246,7964728742, 166384601987,250060982098] |