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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 11 |
| 5 | 12 |
| 6 | 17 |
| 7 | 21 |
| 8 | 54 |
| 9 | 82 |
| 10 | 112 |
| 11 | 189 |
| 12 | 235 |
| 13 | 426 |
| 14 | 442 |
| 15 | 4897 |
| 16 | 12463 |
| 17 | 14383 |
| 18 | 18630 |
| 19 | 38669 |
| 20 | 95752 |
| 21 | 108238 |
| 22 | 179265 |
[3,4,6,11,12,17,21,54,82,112,189,235,426,442,4897, 12463,14383,18630,38669,95752,108238,179265] |