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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 10 |
| 7 | 254 |
| 8 | 410 |
| 9 | 751 |
| 10 | 1101 |
| 11 | 2488 |
| 12 | 3476 |
| 13 | 14124 |
| 14 | 20060 |
[1,3,4,5,6,10,254,410,751,1101,2488,3476,14124, 20060] |