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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 15 |
| 5 | 16 |
| 6 | 30 |
| 7 | 41 |
| 8 | 52 |
| 9 | 62 |
| 10 | 93 |
| 11 | 110 |
| 12 | 126 |
| 13 | 142 |
| 14 | 174 |
| 15 | 200 |
| 16 | 232 |
| 17 | 256 |
| 18 | 299 |
| 19 | 338 |
| 20 | 380 |
| 21 | 400 |
| 22 | 444 |
| 23 | 506 |
| 24 | 568 |
| 25 | 586 |
| 26 | 634 |
| 27 | 664 |
[2,3,6,15,16,30,41,52,62,93,110,126,142,174,200, 232,256,299,338,380,400,444,506,568,586,634,664] |