| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 12 |
| 4 | 14 |
| 5 | 38 |
| 6 | 126 |
| 7 | 147 |
| 8 | 152 |
| 9 | 216 |
| 10 | 285 |
| 11 | 774 |
| 12 | 1458 |
| 13 | 2049 |
| 14 | 3369 |
| 15 | 5718 |
| 16 | 8358 |
| 17 | 12510 |
| 18 | 13863 |
| 19 | 30308 |
| 20 | 38732 |
| 21 | 128198 |
[2,3,12,14,38,126,147,152,216,285,774,1458,2049, 3369,5718,8358,12510,13863,30308,38732,128198] |