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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 27 |
| 3 | 343 |
| 4 | 79507 |
| 5 | 103823 |
| 6 | 148877 |
| 7 | 3869893 |
| 8 | 11089567 |
| 9 | 18191447 |
| 10 | 115501303 |
| 11 | 192100033 |
| 12 | 202262003 |
| 13 | 557441767 |
| 14 | 100999381393 |
| 15 | 181033328393 |
| 16 | 294477807077 |
| 17 | 369682454233 |
| 18 | 569104495903 |
| 19 | 815565876607 |
| 20 | 19199315959433 |
[8,27,343,79507,103823,148877,3869893,11089567, 18191447,115501303,192100033,202262003,557441767, 100999381393,181033328393,294477807077, 369682454233,569104495903,815565876607, 19199315959433] |