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| n | a(n) |
|---|---|
| 1 | 28 |
| 2 | 91 |
| 3 | 351 |
| 4 | 2926 |
| 5 | 8001 |
| 6 | 46971 |
| 7 | 58653 |
| 8 | 93528 |
| 9 | 97461 |
| 10 | 141778 |
| 11 | 300700 |
| 12 | 365085 |
| 13 | 382375 |
| 14 | 398278 |
| 15 | 874503 |
| 16 | 1295245 |
| 17 | 1669878 |
| 18 | 3425653 |
| 19 | 4117015 |
| 20 | 7517503 |
| 21 | 7657741 |
| 22 | 7771653 |
| 23 | 9415630 |
| 24 | 9598771 |
[28,91,351,2926,8001,46971,58653,93528,97461, 141778,300700,365085,382375,398278,874503,1295245, 1669878,3425653,4117015,7517503,7657741,7771653, 9415630,9598771] |