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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 559 |
| 3 | 85492 |
| 4 | 2723409 |
| 5 | 3979565339 |
| 6 | 796308532514 |
| 7 | 168471146612539 |
| 8 | 92689740495424484 |
| 9 | 35207791095370659034 |
| 10 | 14785029526528063866456 |
| 11 | 7605208617717963440942640 |
| 12 | 3423109300796521198266195848 |
[2,559,85492,2723409,3979565339,796308532514, 168471146612539,92689740495424484, 35207791095370659034,14785029526528063866456, 7605208617717963440942640, 3423109300796521198266195848] |