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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 7 |
| 6 | 17 |
| 7 | 22 |
| 8 | 47 |
| 9 | 155 |
| 10 | 167 |
| 11 | 203 |
| 12 | 277 |
| 13 | 469 |
| 14 | 629 |
| 15 | 890 |
| 16 | 1427 |
| 17 | 4507 |
| 18 | 5705 |
| 19 | 6095 |
| 20 | 9808 |
| 21 | 10108 |
| 22 | 12797 |
| 23 | 16184 |
| 24 | 31535 |
| 25 | 33575 |
[1,2,4,5,7,17,22,47,155,167,203,277,469,629,890, 1427,4507,5705,6095,9808,10108,12797,16184,31535, 33575] |