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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 22 |
| 7 | 50 |
| 8 | 65 |
| 9 | 108 |
| 10 | 163 |
| 11 | 282 |
| 12 | 343 |
| 13 | 601 |
| 14 | 781 |
| 15 | 1205 |
[1,2,4,8,16,22,50,65,108,163,282,343,601,781,1205] |