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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 68 |
| 7 | 122 |
| 8 | 246 |
| 9 | 397 |
| 10 | 425 |
| 11 | 513 |
| 12 | 625 |
| 13 | 696 |
| 14 | 970 |
| 15 | 1062 |
| 16 | 1167 |
| 17 | 1215 |
| 18 | 1244 |
| 19 | 1251 |
[1,2,3,4,5,68,122,246,397,425,513,625,696,970, 1062,1167,1215,1244,1251] |