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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 12 |
| 4 | 24 |
| 5 | 48 |
| 6 | 81 |
| 7 | 616 |
| 8 | 2122 |
| 9 | 12424 |
| 10 | 42484 |
| 11 | 88481 |
| 12 | 681616 |
| 13 | 816212 |
| 14 | 1621221 |
| 15 | 2162124 |
| 16 | 2421242 |
| 17 | 4424212 |
| 18 | 42484842 |
| 19 | 48488484 |
| 20 | 248481681 |
| 21 | 684816816 |
| 22 | 1681684816 |
| 23 | 8162121621 |
| 24 | 21681621216 |
| 25 | 212212162121 |
| 26 | 681621216212 |
[3,6,12,24,48,81,616,2122,12424,42484,88481, 681616,816212,1621221,2162124,2421242,4424212, 42484842,48488484,248481681,684816816,1681684816, 8162121621,21681621216,212212162121,681621216212] |