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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 26 |
| 2 | 459 |
| 3 | 6916 |
| 4 | 96005 |
| 5 | 1270542 |
| 6 | 16318303 |
| 7 | 205487672 |
| 8 | 2552951769 |
| 9 | 31419668098 |
| 10 | 384095637107 |
| 11 | 4672689817068 |
| 12 | 56644179720493 |
| 13 | 684877363365494 |
| 14 | 8264853578776071 |
| 15 | 99595171342479904 |
| 16 | 1198894417410885377 |
[1,26,459,6916,96005,1270542,16318303,205487672, 2552951769,31419668098,384095637107,4672689817068, 56644179720493,684877363365494,8264853578776071, 99595171342479904,1198894417410885377] |