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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 27 |
| 3 | 124 |
| 4 | 480 |
| 5 | 1975 |
| 6 | 7833 |
| 7 | 31428 |
| 8 | 125103 |
| 9 | 498825 |
| 10 | 1985956 |
| 11 | 7906167 |
| 12 | 31469417 |
| 13 | 125232138 |
| 14 | 498389829 |
| 15 | 1983161935 |
| 16 | 7891800110 |
| 17 | 31402125248 |
| 18 | 124956937711 |
| 19 | 497214816218 |
| 20 | 1978508290987 |
| 21 | 7872687718931 |
| 22 | 31326612697486 |
| 23 | 124652113265387 |
[8,27,124,480,1975,7833,31428,125103,498825, 1985956,7906167,31469417,125232138,498389829, 1983161935,7891800110,31402125248,124956937711, 497214816218,1978508290987,7872687718931, 31326612697486,124652113265387] |