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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 7 |
| 6 | 22 |
| 7 | 28 |
| 8 | 39 |
| 9 | 115 |
| 10 | 144 |
| 11 | 379 |
| 12 | 391 |
| 13 | 858 |
| 14 | 1851 |
| 15 | 5815 |
| 16 | 7495 |
| 17 | 7686 |
| 18 | 7726 |
| 19 | 9636 |
| 20 | 13006 |
| 21 | 19063 |
| 22 | 19719 |
| 23 | 21202 |
| 24 | 25516 |
| 25 | 26542 |
| 26 | 31204 |
| 27 | 53655 |
| 28 | 54294 |
| 29 | 68431 |
[0,3,4,6,7,22,28,39,115,144,379,391,858,1851,5815, 7495,7686,7726,9636,13006,19063,19719,21202,25516, 26542,31204,53655,54294,68431] |