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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 14 |
| 5 | 15 |
| 6 | 17 |
| 7 | 24 |
| 8 | 41 |
| 9 | 54 |
| 10 | 77 |
| 11 | 275 |
| 12 | 447 |
| 13 | 524 |
| 14 | 574 |
| 15 | 1546 |
| 16 | 2132 |
| 17 | 2711 |
| 18 | 2804 |
| 19 | 7994 |
| 20 | 11684 |
| 21 | 12073 |
[2,3,4,14,15,17,24,41,54,77,275,447,524,574,1546, 2132,2711,2804,7994,11684,12073] |