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| n | a(n) |
|---|---|
| 1 | 26 |
| 2 | 676 |
| 3 | 4374 |
| 4 | 43990 |
| 5 | 382288 |
| 6 | 3511534 |
| 7 | 31569510 |
| 8 | 285774964 |
| 9 | 2580956950 |
| 10 | 23333448086 |
| 11 | 210885788448 |
| 12 | 1906172464566 |
| 13 | 17228491782138 |
| 14 | 155715573550500 |
| 15 | 1407388340653890 |
| 16 | 12720361717357138 |
| 17 | 114970670286577872 |
[26,676,4374,43990,382288,3511534,31569510, 285774964,2580956950,23333448086,210885788448, 1906172464566,17228491782138,155715573550500, 1407388340653890,12720361717357138, 114970670286577872] |