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| n | a(n) |
|---|---|
| 1 | 597829 |
| 2 | 1886206112 |
| 3 | 6080435385822 |
| 4 | 19586354937923493 |
| 5 | 63074271731085058880 |
| 6 | 203129458750387512198476 |
[597829,1886206112,6080435385822, 19586354937923493,63074271731085058880, 203129458750387512198476] |