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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 11 |
| 6 | 188 |
| 7 | 509 |
| 8 | 1730 |
| 9 | 2571 |
| 10 | 3402 |
| 11 | 4407 |
| 12 | 9890 |
| 13 | 18609 |
| 14 | 20456 |
| 15 | 32529 |
| 16 | 38124 |
| 17 | 95087 |
[1,2,3,5,11,188,509,1730,2571,3402,4407,9890, 18609,20456,32529,38124,95087] |