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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 444793 |
| 3 | 8635565795744155161506 |
| 4 | 1122606574548038398976040173670530159089991444775125551802871247408332723840 |
[1,10,444793,8635565795744155161506, 11226065745480383989760401736705301590899914447751\ 25551802871247408332723840] |