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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 12 |
| 7 | 13 |
| 8 | 21 |
| 9 | 22 |
| 10 | 28 |
| 11 | 37 |
| 12 | 49 |
| 13 | 52 |
| 14 | 66 |
| 15 | 103 |
| 16 | 349 |
| 17 | 375 |
| 18 | 411 |
| 19 | 1204 |
| 20 | 1834 |
| 21 | 2509 |
| 22 | 2667 |
| 23 | 6096 |
| 24 | 8295 |
| 25 | 14295 |
| 26 | 43368 |
| 27 | 127348 |
| 28 | 142033 |
[0,1,3,6,9,12,13,21,22,28,37,49,52,66,103,349,375, 411,1204,1834,2509,2667,6096,8295,14295,43368, 127348,142033] |