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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 13 |
| 3 | 39 |
| 4 | 118 |
| 5 | 185 |
| 6 | 400 |
| 7 | 511 |
| 8 | 1022 |
| 9 | 1287 |
| 10 | 2574 |
| 11 | 4279 |
| 12 | 8558 |
| 13 | 11777 |
| 14 | 24377 |
| 15 | 23554 |
| 16 | 46111 |
| 17 | 99085 |
| 18 | 165490 |
[3,13,39,118,185,400,511,1022,1287,2574,4279,8558, 11777,24377,23554,46111,99085,165490] |