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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 11 |
| 6 | 19 |
| 7 | 28 |
| 8 | 40 |
| 9 | 56 |
| 10 | 72 |
| 11 | 96 |
| 12 | 114 |
| 13 | 147 |
| 14 | 178 |
| 15 | 183 |
| 16 | 252 |
| 17 | 255 |
[1,2,3,6,11,19,28,40,56,72,96,114,147,178,183,252, 255] |