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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 9 |
| 6 | 19 |
| 7 | 20 |
| 8 | 29 |
| 9 | 30 |
| 10 | 68 |
| 11 | 142 |
| 12 | 143 |
| 13 | 150 |
| 14 | 159 |
| 15 | 198 |
| 16 | 468 |
| 17 | 782 |
| 18 | 858 |
| 19 | 1100 |
| 20 | 1137 |
| 21 | 3337 |
| 22 | 3638 |
| 23 | 3909 |
| 24 | 4845 |
| 25 | 16895 |
| 26 | 30349 |
| 27 | 42692 |
| 28 | 48470 |
[1,2,3,5,9,19,20,29,30,68,142,143,150,159,198,468, 782,858,1100,1137,3337,3638,3909,4845,16895,30349, 42692,48470] |