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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 81 |
| 3 | 81 |
| 4 | 897 |
| 5 | 2609 |
| 6 | 897 |
| 7 | 10019 |
| 8 | 84381 |
| 9 | 84381 |
| 10 | 10019 |
| 11 | 111993 |
| 12 | 2731088 |
| 13 | 7873809 |
| 14 | 2731088 |
| 15 | 111993 |
| 16 | 1251951 |
| 17 | 88392872 |
| 18 | 735336694 |
| 19 | 735336694 |
| 20 | 88392872 |
| 21 | 1251951 |
| 22 | 13995437 |
| 23 | 2860882075 |
| 24 | 68668190865 |
| 25 | 198219480450 |
| 26 | 68668190865 |
| 27 | 2860882075 |
[8,81,81,897,2609,897,10019,84381,84381,10019, 111993,2731088,7873809,2731088,111993,1251951, 88392872,735336694,735336694,88392872,1251951, 13995437,2860882075,68668190865,198219480450, 68668190865,2860882075] |